Test plan for BMW Service (development status)

MEVD17.2-BN2000

ECU type

BMW Fault Code Description VS-Text

DTC Description

System test

MEVD17.2- BN2000

0x2710

10000

Throttle valve, function: jammed permanently

The diagnostic function checks the throttle valve's control signal for excessively high figures that would indicate that the throttle valve
is seizing.

P1639

Throttle Valve Position Control Throttle Stuck Permanently (Bank 1)

Throttle Actuator

Throttle Stuck

PWM signal used to control the throttle valve remains above 80% for longer than
0.6 sec.
Potential problem source(s):
- Throttle valve moves stiffly, sticking,
contaminated
- Defect in wiring harness between throttle-valve actuator motor and DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Active control signal to throttle valve

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

Y

- Throttle valve moves stiffly, sticking, contaminated
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Use tester to activate throttle valve and observe repositioning speed
- Check wiring harness between DME and throttle valve
- Visual inspection of throttle valve and air- induction system for contamination
- Move the throttle valve manually to determine whether it progresses throughout its entire travel range freely without excess resistance
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x2711

10001

Throttle valve, function: jammed briefly

The diagnostic function monitors the throttle valve control signal for excessively high figures
that would indicate that the throttle valve is
sticking or seizing.

P1638

Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)

Throttle Actuator

Throttle Stuck

throttle valve is deactivated when the PWM signal used to control the throttle valve remains above 80% for  longer than 5 sec.
Potential problem source(s):
- Throttle valve moves stiffly, sticking,
contaminated
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Active control signal to throttle valve

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

Y

- Throttle valve moves stiffly, sticking, contaminated
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Use tester to activate throttle valve and observe repositioning speed
- Check wiring harness between DME and throttle valve
- Visual inspection of throttle valve and air- induction system for contamination
- Move the throttle valve manually to determine whether it progresses throughout its entire travel range freely without excess resistance
- Replace throttle valve

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x2714

10004

Throttle valve, function: sluggish, too slow

The diagnostic function monitors the difference between specified and actual throttle-valve values. If this figure remains too high for a specified period, a fault is recognized and the throttle valve is deactivated.

P11AA

Throttle tight (Bank 1)

Throttle

Tight

logged when the difference between the specified and the actual value is greater than the characteristic curve over throttle-valve gradient
(4% - 50% ).
Potential problem source(s):
- Stiction in throttle valve
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Active control signal to throttle valve

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

Y

- Stiction in throttle valve
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Check wiring harness between DME and throttle valve
- Use tester to activate throttle valve and observe its reaction
- Check throttle valve for contamination and foreign objects
- Move throttle valve by hand, checking for resistance to motion and noting how quickly it
closes when released
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x2774

10100

Mass air flow sensor, plausibility: Air mass compared with model too high

The diagnostic function compares the calculated air mass with the measured air mass.

P00BD

Mass or Volume Air Flow 'A' Circuit Range/Performance - Air Flow Too High

Mass Air Flow

Too High

the calculated air mass deviates too starkly from the
measured air mass.
Potential problem source(s):
- Collateral fault caused by other components in the intake system, Valvetronic,
turbocharger
- Intake system leaking
- HFM defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

none

Y

- Collateral fault caused by other components in the intake system, Valvetronic, turbocharger
- Intake system leaking
- HFM defective

- If other diagnostic fault codes related to components in the induction tract, Valvetronic or turbocharger have been logged, then process these first (collateral faults)
- Check intake system for leaks
- Replace HFM

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
- none

Breakdown notice:
- none

- none

MEVD17.2- BN2000

0x2774

10100

Mass air flow sensor, plausibility: Air mass compared with model too high

The diagnostic function compares the calculated air mass with the measured air mass.

P115D

Mass or Volume Air Flow 'A' Air Mass Too High Compared to Model

Mass Air Flow

Comparison to Model

the calculated air mass deviates too starkly from the
measured air mass.
Potential problem source(s):
- Collateral fault caused by other components in the intake system, Valvetronic,
turbocharger
- Intake system leaking
- HFM defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

none

Y

- Collateral fault caused by other components in the intake system, Valvetronic, turbocharger
- Intake system leaking
- HFM defective

- If other diagnostic fault codes related to components in the induction tract, Valvetronic or turbocharger have been logged, then process these first (collateral faults)
- Check intake system for leaks
- Replace HFM

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
- none

Breakdown notice:
- none

- none

MEVD17.2- BN2000

0x2775

10101

Mass air flow sensor, plausibility: Air mass compared with model too low

The diagnostic function compares the air mass calculated from the model with the measured air
mass.

P00BC

Mass or Volume Air Flow 'A' Circuit Range/Performance - Air Flow Too Low

Mass Air Flow

Too Low

The fault is recognized when
the indicated air mass does not correlate with the calculated mass airflow rate.
Potential problem source(s):
- Defective HFM, problem with airflow to HFM, clean air tube fallen off intake air noise attenuator
- Leak within induction tract on engine-side of throttle valve (leaks in vicinity of intake air plenum chamber,
open oil filler cap)
- Malfunction in components affecting airflow (valve lift
monitoring, position of VANOS, throttle valve, pressure sensors.   )
- Compressor bypass valve stuck in open position (accompanied by low boost
pressure malfunction)

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant temperature
Time condition:
- None
Other conditions:
- Engine on
- Pressure drop at throttle valve exceeds 18 hPa
- 745hPa   < barometric pressure
- 500 rpm   < engine speed < 7000 rpm
- 133 rpm   < dynamic rpm response (rpm window)
- 7.7%   < dynamic load
response (load window)

- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant
temperature

- None

NO

none

Y

- Defective HFM, problem with airflow to HFM, clean air tube fallen off intake air noise
attenuator
- Leak within induction tract on engine side of throttle valve (leaks in vicinity of intake air
plenum chamber, open oil filler cap)
- Malfunction in components affecting airflow (valve lift monitoring, position of VANOS, throttle valve, pressure sensors.   )
- Compressor bypass valve stuck in open position (accompanied by low boost pressure
malfunction)
- Severely contaminated air filter

- Check wiring harness on HFM
- Check intake system for leaks on engine side of throttle valve
- Seal on oil filler cap is defective
- Problem with airflow to HFM (air filter insert is defective or installed incorrectly)
- Replace HFM

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
If the HFM is recognized as defective it is deactivated, following jerk during deactivation
owing to lambda error no limitations

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x2775

10101

Mass air flow sensor, plausibility: Air mass compared with model too low

The diagnostic function compares the air mass calculated from the model with the measured air
mass.

P115C

Mass or Volume Air Flow 'A' Air Mass Too Low Compared to Model

Mass Air Flow

Comparison to Model

The fault is recognized when
the indicated air mass does not correlate with the calculated mass airflow rate.
Potential problem source(s):
- Defective HFM, problem with airflow to HFM, clean air tube fallen off intake air noise attenuator
- Leak within induction tract on engine-side of throttle valve (leaks in vicinity of intake air plenum chamber,
open oil filler cap)
- Malfunction in components affecting airflow (valve lift
monitoring, position of VANOS, throttle valve, pressure sensors.   )
- Compressor bypass valve stuck in open position (accompanied by low boost
pressure malfunction)

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant temperature
Time condition:
- None
Other conditions:
- Engine on
- Pressure drop at throttle valve exceeds 18 hPa
- 745hPa   < barometric pressure
- 500 rpm   < engine speed < 7000 rpm
- 133 rpm   < dynamic rpm response (rpm window)
- 7.7%   < dynamic load
response (load window)

- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant
temperature

- None

NO

none

Y

- Defective HFM, problem with airflow to HFM, clean air tube fallen off intake air noise
attenuator
- Leak within induction tract on engine side of throttle valve (leaks in vicinity of intake air
plenum chamber, open oil filler cap)
- Malfunction in components affecting airflow (valve lift monitoring, position of VANOS, throttle valve, pressure sensors.   )
- Compressor bypass valve stuck in open position (accompanied by low boost pressure
malfunction)
- Severely contaminated air filter

- Check wiring harness on HFM
- Check intake system for leaks on engine side of throttle valve
- Seal on oil filler cap is defective
- Problem with airflow to HFM (air filter insert is defective or installed incorrectly)
- Replace HFM

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
If the HFM is recognized as defective it is deactivated, following jerk during deactivation
owing to lambda error no limitations

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x2778

10104

Air mass sensor, signal: Implausible period duration, loose contact with low frequency

The diagnostic function monitors the upper limit of the digital HFM signal's period duration.

P0103

Mass or Volume Air Flow Sensor 'A' Circuit High

Mass Air Flow Sensor

Electrical

This fault is recognized when the period duration of the HFM signal exceeds 640 µs.
Potential problem source(s):
- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

Read test data block; ID 58AE

N

- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

- Check wiring harness between DME and mass- airflow sensor
- Replace mass-airflow sensor
- Replace DME

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x2779

10105

Air mass sensor, signal: Implausible period duration, loose contact with high frequency

The diagnostic function monitors the lower limit of the digital HFM signal's period duration.

P0102

Mass or Volume Air Flow Sensor 'A' Circuit Low

Mass Air Flow Sensor

Electrical

the period duration of the HFM signal is less than 84 µs.
Potential problem source(s):
- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

Read test data block; ID 58AE

N

- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

- Check wiring harness between DME and mass- airflow sensor
- Replace mass-airflow sensor
- Replace DME

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x277A

10106

Air mass sensor, signal: Short-circuit or line break (open circuit)

The diagnostic function determines whether a digital signal from the HFM is present.

P0100

Mass or Volume Air Flow Sensor 'A' Circuit

Mass Air Flow Sensor

Electrical

This fault is recognized when the period duration of the HFM signal is zero.
Potential problem source(s):
- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

Read test data block; ID 58AE

N

- Defect in wiring harness between HFM and DME
- Mass-airflow sensor defective
- Defective DME

- Check wiring harness between DME and mass- airflow sensor
- Replace mass-airflow sensor
- Replace DME

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2-
BN2000

0x277B

10107

P00BD

Mass or Volume Air Flow 'A' Circuit
Range/Performance - Air Flow Too High

Mass Air Flow

Too High

MEVD17.2-
BN2000

0x277B

10107

P0103

Mass or Volume Air Flow Sensor 'A' Circuit High

Mass Air Flow Sensor

Electrical

MEVD17.2-
BN2000

0x277C

10108

P00BC

Mass or Volume Air Flow 'A' Circuit
Range/Performance - Air Flow Too Low

Mass Air Flow

Too Low

MEVD17.2-
BN2000

0x277C

10108

P0102

Mass or Volume Air Flow Sensor 'A' Circuit Low

Mass Air Flow Sensor

Electrical

MEVD17.2- BN2000

0x27D9

10201

Accelerator pedal module, pedal sensor 1, electrical: Short circuit to B+

The diagnostic function monitors the voltage of sensor 1.

P2123

Throttle/Pedal Position Sensor/Switch 'D' Circuit High

Pedal Position Sensor

D Electrical

the voltage at sensor 1 rises above 4.085 V.
Potential problem source(s):
- Defect in wiring harness between DME and accelerator pedal module sensor 1
- Accelerator pedal module
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 1 voltage

Accelerator pedal sensor 1 voltage (0x5846)

N

- Defect in wiring harness between DME and accelerator pedal module sensor 1
- Accelerator pedal module defective

- Check wiring harness between DME and accelerator pedal
- Replace accelerator pedal

lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal
sensor 2 or clocking error, increased idle speed and no processing of accelerator pedal

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x27DA

10202

Accelerator pedal module, pedal sensor 1, electrical: Short circuit to earth or line disconnection

The diagnostic function monitors the voltage of sensor 1.

P2122

Throttle/Pedal Position Sensor/Switch 'D' Circuit Low

Pedal Position Sensor

D Electrical

the voltage at sensor 1 is less than 0.566 V.
Potential problem source(s):
- Defect in wiring harness between DME and accelerator pedal module sensor 1
- Voltage supply for accelerator pedal module in the DME is defective
- Accelerator pedal module

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 1 voltage

Accelerator pedal sensor 1 voltage (0x5846)

N

- Defect in wiring harness between DME and accelerator pedal module sensor 1
- Voltage supply for accelerator pedal module in the DME is defective
- Accelerator pedal module defective

- Check wiring harness between DME and accelerator pedal
- Check voltage supply at accelerator pedal module sensor 1 for 5 V
- Replace accelerator pedal
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal
sensor 2 or clocking error, increased idle speed and no processing of accelerator pedal

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x27DB

10203

Pedal module, pedal sensor 2, electrical: Short circuit to B+

The diagnostic function monitors the voltage of sensor 2.

P2128

Throttle/Pedal Position Sensor/Switch 'E' Circuit High

Pedal Position Sensor

E Electrical

the voltage at sensor 2 rises above 2.043 V.
Potential problem source(s):
- Defect in wiring harness between DME and accelerator pedal module sensor 2
- Accelerator pedal module
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 2 voltage

Accelerator pedal sensor 2 voltage (0x5847)

N

- Defect in wiring harness between DME and accelerator pedal module sensor 2
- Accelerator pedal module defective

- Check wiring harness between DME and accelerator pedal
- Check voltage supply at accelerator pedal module sensor 2 for 5 V
- Replace accelerator pedal

lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal
sensor 1 or clocking error, increased idle speed and no processing of accelerator pedal data

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x27DC

10204

Pedal module, pedal sensor 2, electrical: Short circuit to earth or line disconnection

The diagnostic function monitors the voltage of sensor 2.

P2127

Throttle/Pedal Position Sensor/Switch 'E' Circuit Low

Pedal Position Sensor

E Electrical

the voltage at sensor 2 is less than 0.430 V.
Potential problem source(s):
- Defect in wiring harness between DME and accelerator pedal module sensor 2
- Accelerator pedal module
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 2 voltage

Accelerator pedal sensor 2 voltage (0x5847)

N

- Defect in wiring harness between DME and accelerator pedal module sensor 2
- Accelerator pedal module defective
- Defective DME

- Check wiring harness between DME and accelerator pedal
- Check voltage supply at accelerator pedal module sensor 2 for 5 V
- Replace accelerator pedal

lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal sensor 1 or clocking error, increased idle speed
and no processing of accelerator pedal data

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x27E4

10212

Accelerator-pedal module, pedal-travel sensor Multiple fault

Collective fault: Accelerator pedal module's pedal-travel sensor.

The response to the fault is specified for a different fault
entry.
Potential problem source(s):
- None

immediately

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 1 voltage
Accelerator pedal sensor 2
voltage

none

Y

- None

- None

lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms: Depending on fault source (L4: 10201, 10202, 10203, 10204, 10216; L6: 0x103001, 0x103002,
0x103101, 0x103102, 0x103308)

Breakdown notice:
Depending on fault source (L4: 10201, 10202, 10203, 10204, 10216; L6: 0x103001, 0x103002,
0x103101, 0x103102, 0x103308)

none

MEVD17.2- BN2000

0x27E8

10216

Accelerator pedal module, pedal position sensor, plausibility: synchronisation error between signal
1 and Signal 2

The diagnostic function monitors the mutual deviation between the two sensor voltages.

P2138

Throttle/Pedal Position Sensor/Switch 'D' / 'E' Voltage Correlation

Pedal Position Sensor

D/E Correlation

This fault is detected when the voltage differential between sensor 1 and sensor 2 exceeds a specific defined value.
Potential problem source(s):
- Defective wiring harness
- Accelerator pedal module defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 1 voltage
Accelerator pedal sensor 2
voltage

Pedal data sensor 1 voltage (0x5846);
Pedal data sensor 2 voltage
(0x5847)

N

- Defective wiring harness
- Accelerator pedal module defective

- Check wiring and plug connections
- Check voltage supply to accelerator pedal for 5 V
- Replace accelerator pedal module

lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal sensor 1 and/or 2, increased idle speed and no
processing of accelerator pedal data

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x280E

10254

Absolute pressure sensor, intake manifold, plausibility: Intake-manifold pressure too high

During the shutdown phase the diagnosis function monitors the DME to determine whether the ambient-air, intake-manifold and boost- pressure sensors are measuring the same
pressure.

P1250

Manifold Absolute Pressure Too High

Manifold Absolute Pressure Sensor

Pressure

the intake-manifold pressure sensor deviates from the average for the pressure sensors (barometric pressure, boost pressure, intake-manifold pressure) by more than 70 mbar.
Potential problem source(s):
- Defective wiring harness
- Sensor has been tampered with
- Sensor defective

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

Y

- Defective wiring harness
- Sensor has been tampered with
- Sensor defective

- Check wiring harness at sensor
- Replace sensor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Best case scenario: None

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x280E

10254

Absolute pressure sensor, intake manifold, plausibility: Intake-manifold pressure too high

During the shutdown phase the diagnosis function monitors the DME to determine whether the ambient-air, intake-manifold and boost- pressure sensors are measuring the same
pressure.

P12A5

Manifold Absolute Pressure Sensor 'A' Afterrunning Diagnosis Pressure Too High

Manifold Absolute Pressure Sensor

Afterrunning

the intake-manifold pressure sensor deviates from the average for the pressure sensors (barometric pressure, boost pressure, intake-manifold pressure) by more than 70 mbar.
Potential problem source(s):
- Defective wiring harness
- Sensor has been tampered with
- Sensor defective

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

Y

- Defective wiring harness
- Sensor has been tampered with
- Sensor defective

- Check wiring harness at sensor
- Replace sensor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Best case scenario: None

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x280F

10255

Absolute pressure sensor, intake manifold, plausibility: Intake-manifold pressure too low

The diagnostic function monitors the DME's barometric pressure sensor.

P1255

Manifold Absolute Pressure Too Low

Manifold Absolute Pressure Sensor

Pressure

The fault is recognized when the voltage of the barometric- pressure sensor > 4.5 V.
Potential problem source(s):
- Internal DME fault, because barometric-pressure sensor is located in the DME ECU; sensor voltage above
threshold;

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

Y

- Internal DME fault, because barometric- pressure sensor is located in the DME ECU; sensor voltage above threshold;

- Check air-induction system (wastegate, etc.)
- Check air-induction tract between turbocharger and intake-air plenum
- Check wiring harness between DME and boost- pressure sensor
- Boost-pressure sensor
- Replace DME

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Best case scenario: None

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x280F

10255

Absolute pressure sensor, intake manifold, plausibility: Intake-manifold pressure too low

The diagnostic function monitors the DME's barometric pressure sensor.

P12A4

Manifold Absolute Pressure Sensor 'A' Afterrunning Diagnosis Pressure Too Low

Manifold Absolute Pressure Sensor

Afterrunning

The fault is recognized when the voltage of the barometric- pressure sensor > 4.5 V.
Potential problem source(s):
- Internal DME fault, because barometric-pressure sensor is located in the DME ECU; sensor voltage above
threshold;

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

Y

- Internal DME fault, because barometric- pressure sensor is located in the DME ECU; sensor voltage above threshold;

- Check air-induction system (wastegate, etc.)
- Check air-induction tract between turbocharger and intake-air plenum
- Check wiring harness between DME and boost- pressure sensor
- Boost-pressure sensor
- Replace DME

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Best case scenario: None

Breakdown notice:
- none

none

MEVD17.2- BN2000

0x281A

10266

Absolute pressure sensor, intake pipe, electrical: Short circuit to B+

The diagnostic function monitors the intake- manifold pressure sensor's upper voltage limit.

P0108

Manifold Absolute Pressure/Barometric Pressure Sensor Circuit High

Manifold Absolute Pressure Sensor

Electrical

the voltage of the intake- manifold pressure sensor exceeds 4.8 V.
Potential problem source(s):
- Defect in wiring harness between DME and intake- manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

Read test data block;
ID 4AB8 (BN2020), 5AB8 (BN2000)

N

- Defect in wiring harness between DME and Intake-manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

- Check wiring harness between intake-manifold pressure sensor and DME
- Replace intake-manifold pressure sensor
- Replace DME

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x281A

10266

Absolute pressure sensor, intake pipe, electrical: Short circuit to B+

The diagnostic function monitors the intake- manifold pressure sensor's upper voltage limit.

P119A

Manifold Absolute Presssure Sensor Circuit High (Bank 1)

the voltage of the intake- manifold pressure sensor exceeds 4.8 V.
Potential problem source(s):
- Defect in wiring harness between DME and intake- manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

Read test data block;
ID 4AB8 (BN2020), 5AB8 (BN2000)

N

- Defect in wiring harness between DME and Intake-manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

- Check wiring harness between intake-manifold pressure sensor and DME
- Replace intake-manifold pressure sensor
- Replace DME

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x281B

10267

Absolute pressure sensor, intake pipe, electrical: Short circuit to earth

The diagnostic function monitors the intake- manifold pressure sensor's lower voltage limit.

P0107

Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Low

Manifold Absolute Pressure Sensor

Electrical

the voltage of the intake- manifold pressure sensor is less than 0.2 V.
Potential problem source(s):
- Defect in wiring harness between DME and Intake- manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

Read test data block;
ID 4AB8 (BN2020), 5AB8 (BN2000)

N

- Defect in wiring harness between DME and Intake-manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

- Check wiring harness between intake-manifold pressure sensor and DME
- Replace intake-manifold pressure sensor
- Replace DME

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x281B

10267

Absolute pressure sensor, intake pipe, electrical: Short circuit to earth

The diagnostic function monitors the intake- manifold pressure sensor's lower voltage limit.

P119B

Manifold Absolute Presssure Sensor Circuit Low (Bank 1)

the voltage of the intake- manifold pressure sensor is less than 0.2 V.
Potential problem source(s):
- Defect in wiring harness between DME and Intake- manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

Read test data block;
ID 4AB8 (BN2020), 5AB8 (BN2000)

N

- Defect in wiring harness between DME and Intake-manifold pressure sensor
- Intake-manifold pressure sensor defective
- Defective DME

- Check wiring harness between intake-manifold pressure sensor and DME
- Replace intake-manifold pressure sensor
- Replace DME

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Engine runs roughly

Breakdown notice: None

None

MEVD17.2- BN2000

0x283C

10300

Ambient pressure sensor, electrical: Short to B+ or open circuit

The diagnostic function monitors the DME's barometric pressure sensor.

P2229

Barometric Pressure Sensor 'A' Circuit High

Ambient Pressure Sensor

Electrical

The fault is recognized when the barometric pressure sensor's signal voltage falls below 4.5 V.
Potential problem source(s):
- DME defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

U

N

- DME defective

- Clear the ECU fault memory, if the diagnostic fault code is logged again, replace the DME.

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
MIL on, customer proceeds to service facility

Breakdown notice: None

None

MEVD17.2- BN2000

0x283D

10301

Ambient pressure sensor, electrical: Short circuit to earth

The diagnostic function monitors the DME's barometric pressure sensor.

P2228

Barometric Pressure Sensor 'A' Circuit Low

Ambient Pressure Sensor

Electrical

The fault is detected by the internal calculation
algorithms.
Potential problem source(s):
- DME defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

U

N

- DME defective

- If the diagnostic fault code has been logged more than 3 times replace the DME.

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
MIL on, customer proceeds to service facility

Breakdown notice: None

None

MEVD17.2- BN2000

0x2841

10305

Ambient pressure sensor, overrun: Pressure too high

During the control module's shutdown phase the diagnostic function monitors the barometric- pressure sensor, intake-manifold pressure sensor and boost-pressure sensor to determine whether they are all measuring the same
pressure.

P12B9

Ambient Pressure Sensor Afterrunning Diagnosis Pressure Too High

Ambient Pressure Sensor

Afterrunning

the barometric-pressure sensor deviates from the average for the pressure
sensors (barometric pressure, boost pressure, intake-manifold pressure) by more than 70 mbar.
Potential problem source(s):
- Error in sensor measurement

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

N

- Error in sensor measurement
- Sensor defective

- If the diagnostic fault code has been logged more than 3 times replace the DME.

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: None

Breakdown notice:
- none

None

MEVD17.2- BN2000

0x2842

10306

Ambient pressure sensor, overrun: Pressure too low

The diagnostic function monitors the voltage at the boost pressure sensor.

P12B8

Ambient Pressure Sensor Afterrunning Diagnosis Pressure Too Low

Ambient Pressure Sensor

Afterrunning

the boost-pressure sensor's voltage is < 0.2 V.
Potential problem source(s):
- Defect in wiring harness between DME and boost- pressure sensor
- Boost-pressure sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 5 sec. after engine off Other conditions:
- Shutdown phase

- None

- 5 sec. after engine off

NO

none

N

- Defect in wiring harness between DME and boost-pressure sensor
- Boost-pressure sensor defective
- Defective DME

- Replace the DME if the fault code is currently present or has been logged more than three
times

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: None

Breakdown notice: None

None

MEVD17.2- BN2000

0x284C

10316

Ambient pressure sensor, plausibility: Pressure too high

The diagnostic function monitors the barometric- pressure sensor.

P11CB

Barometric Pressure Too High

Ambient Pressure

General

No electrical fault in barometric pressure sensor (PUEmax, PUEmin)
Potential problem source(s):
- Barometric pressure sensor installed in DME ECU; sensor voltage above
threshold
- DME defective owing to internal fault

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

none

Y

- Barometric pressure sensor installed in DME ECU; sensor voltage above threshold
- DME defective owing to internal fault

- Replace the DME if the fault code is currently present or has been logged more than three
times

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: None

Breakdown notice: None

A terminal status switch must be conducted before this fault can be deleted.

MEVD17.2- BN2000

0x284D

10317

Ambient pressure sensor, plausibility: Pressure too low

The diagnostic function monitors the barometric- pressure sensor.

P0129

Barometric Pressure Too Low

Ambient Pressure

General

The fault is recognized when a short circuit is present.
Potential problem source(s):
- Defective wiring harness
- Cutoff relay for electric fan defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

none

Y

- Defective wiring harness
- Cutoff relay for electric fan defective

- Check wiring harness between electric fan cutoff relay and DME
- Check cutoff relay (when Terminal 15 is off then 0 V should be present at both screw
connections (M6). When activated the relay should click loudly, while virtually no resistance
(0 ohms) should be measured between the screw connections
- Replace cutoff relay

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: None

Breakdown notice: None

A terminal status switch must be conducted before this fault can be deleted.

MEVD17.2- BN2000

0x284E

10318

Ambient pressure sensor, plausibility: Pressure implausible

The diagnostic function monitors the plausibility of the barometric pressure relative to that measured in the previous driving cycle.

P1247

Barometric Pressure Plausibility

Ambient Pressure

Plausibility

The fault is recognized in response to excessive variations in the value.
Potential problem source(s):
- DME defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

none

Y

- DME defective

- Replace the DME if the fault code is currently present or has been logged more than three
times

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: None

Breakdown notice: None

A terminal status switch must be conducted before this fault can be deleted.

MEVD17.2- BN2000

0x284F

10319

Ambient pressure sensor, plausibility: Pressure implausible

The diagnostic function monitors variations in the barometric pressure reading for plausibility.

P1247

Barometric Pressure Plausibility

Ambient Pressure

Plausibility

The fault is recognized when the value remains constant.
Potential problem source(s):
- DME defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

none

Y

- DME defective

- Replace the DME if the fault code is currently present or has been logged more than three
times

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: None

Breakdown notice: None

A terminal status switch must be conducted before this fault can be deleted.

MEVD17.2- BN2000

0x28A0

10400

Throttle-valve angle - intake-manifold pressure, correlation: Limit value exceeded

The diagnostic function monitors the throttle valve aperture and the current intake manifold pressure reading to determine whether they are mutually plausible.

P112F

Manifold Absolute Pressure to Throttle Angle - Too High (Bank 1)

Manifold Absolute Pressure

Correlation

The fault is recognized when the relationship between the indicated intake manifold pressure and the mass airflow calculated based on throttle-valve angle is not correct.
Potential problem source(s):
- Measured value for intake manifold pressure (absolute) too high
- Vacuum leak within induction tract/crankcase
- Incorrect throttle-valve angle
- Pressure sensor defective

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant temperature
Time condition:
- None
Other conditions:
- Engine on
- Pressure drop at throttle valve exceeds 18 hPa
- 745hPa   < barometric pressure
- 500 rpm   < engine speed < 7000 rpm
- 133 rpm   < dynamic rpm

- 30°C   < intake-air temperature < 120°C
- -30°C   < coolant
temperature

- None

NO

none

Y

- Measured value for intake manifold pressure (absolute) too high
- Vacuum leak within induction tract/crankcase
- Incorrect throttle-valve angle
- Pressure sensor defective

- Check intake system and crankcase for leakage
- Check throttle valve (contamination, carbon deposits, icing)
- Check plug and wiring harness between intake- manifold pressure sensor and DME
- Check plug, wiring harness at electric throttle- valve actuator
- Replace pressure sensor
- Replace throttle valve

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
- none

Breakdown notice:
- none

None

MEVD17.2- BN2000

0x28A1

10401

Throttle-valve angle - intake-manifold pressure, correlation: Limit value not exceeded

The diagnostic function monitors the throttle valve aperture and the current intake manifold pressure reading to determine whether they are mutually plausible.

P112E

Manifold Absolute Pressure to Throttle Angle - Too Low (Bank 1)

Manifold Absolute Pressure

Correlation

the relationship between the indicated intake manifold pressure and the mass airflow calculated based on throttle-valve angle is not correct.
Potential problem source(s):
- Measured value for intake manifold pressure (absolute) is too low
- Defective plug or wiring harness
- Vacuum leak within induction tract/crankcase
- Incorrect throttle-valve

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Pressure drop at throttle valve exceeds 18 hPa

- None

- None

NO

none

Y

- Measured value for intake manifold pressure (absolute) is too low
- Defective plug(s) or wiring harness
- Vacuum leak within induction tract/crankcase
- Incorrect throttle-valve angle
- Pressure sensor defective

- Check intake system and crankcase for leakage
- Check throttle valve (contamination, carbon deposits, icing)
- Check wiring harness between intake-manifold pressure sensor and DME
- Check plug, wiring harness at electric throttle- valve actuator
- Replace pressure sensor
- Replace throttle valve

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms:
- none

Breakdown notice:
- none

None

MEVD17.2- BN2000

0x28A4

10404

Throttle valve, throttle valve potentiometer 1, electrical: Short to B+ or open circuit

The diagnostic function checks the signal from throttle valve actuator 1 for electrical faults.

P0123

Throttle/Pedal Position Sensor/Switch 'A' Circuit High

Throttle Position Sensor

1

the signal from throttle valve sensor 1 rises above the fault threshold of 4.75 V.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

Sensor 1 voltage: 0..5 V (0x584E)

N

- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME defective

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28A5

10405

Throttle valve, throttle valve potentiometer 1, electrical: Short circuit to earth

The diagnostic function checks the signal from throttle valve actuator 1 for electrical faults.

P0122

Throttle/Pedal Position Sensor/Switch 'A' Circuit Low

Throttle Position Sensor

1

the signal from throttle valve sensor 1 falls below the fault threshold of 0.22 V.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

Sensor 1 voltage: 0..5 V (0x584E)

N

- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME defective

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28A8

10408

Throttle valve, throttle potentiometer 2, electrical: Short circuit to B+

The diagnostic function checks the voltage of throttle valve sensor 2 for electrical faults.

P0223

Throttle/Pedal Position Sensor/Switch 'B' Circuit High

Throttle Position Sensor

2

the signal from throttle valve sensor 2 rises above the fault threshold of 4.77 V.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

Voltage sensor 2: 0..5 V (0x584C)

N

- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME defective

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28A9

10409

Throttle valve, throttle potentiometer 2, electrical: Short circuit to earth or line
disconnection

The diagnostic function checks the voltage of throttle valve sensor 2 for electrical faults.

P0222

Throttle/Pedal Position Sensor/Switch 'B' Circuit Low

Throttle Position Sensor

2

the signal from throttle valve sensor 2 falls below the fault threshold of 0.22 V.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

Voltage sensor 2: 0..5 V (0x584C)

N

- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME defective

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28B0

10416

Throttle valve: Limp-home operating mode active

P169F

Throttle Valve Limp Home Mode Active

Throttle

Limp Home

Potential problem source(s): 0

Voltage condition: Temperature condition: Time condition:
Other conditions:

- None

0

0

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

new for I-10-03-450

Possible apparent symptoms:

Breakdown notice:

MEVD17.2- BN2000

0x28B4

10420

Throttle valve, throttle potentiometer: plausibility Timing fault between potentiometer 1 and
potentiometer 2

The diagnostic function monitors the mutual deviation between the two sensor voltages.

P115F

Throttle/Pedal Position Sensor/Switch 'A' / 'B' Synchronous Operation Correlation (Bank 1)

Throttle Position Sensor

Correlation

voltages from sensors 1 and 2 exceeds a value defined in the application (characteristic curve) the fault is
recognized.
Potential problem source(s):
- Defect in wiring harness between throttle valve potentiometer and DME
- Throttle valve

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

Accelerator pedal sensor 1 voltage
Accelerator pedal sensor 2
voltage

Pedal data sensor 1 voltage (0x5846);
Pedal data sensor 2 voltage
(0x5847)

N

- Defect in wiring harness between throttle valve potentiometer and DME
- Throttle valve potentiometer defective

- Check wiring harness between throttle valve potentiometer and DME
- Replace throttle valve potentiometer

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Limit on pedal value variation and on maximum absolute value (34.5% pedal)
- In combination with fault in accelerator pedal sensor 1 and/or 2, increased idle speed and no
processing of accelerator pedal data

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

None

MEVD17.2- BN2000

0x28B8

10424

DME, internal fault, activation of throttle valve: Short circuit

The diagnostic function monitors the driver circuit controlling operation of the throttle valve.

P2103

Throttle Actuator 'A' Control Motor Circuit High

Throttle Actuator

Control Motor

The fault is detected by the internal calculation
algorithms.
Potential problem source(s):
- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

N

- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Only replace the DME if the fault remains present continuously or if the fault frequency is
greater than 3

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Loss of power
- Speed limitation

Breakdown notice:
- Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

- none

MEVD17.2- BN2000

0x28B9

10425

DME, internal fault, activation of throttle valve: Excess temperature or current too high

The diagnostic function monitors the driver circuit controlling operation of the throttle valve.

P2118

Throttle Actuator 'A' Control Motor Current Range/Performance

Throttle Actuator

Control Motor

The fault is detected by the internal calculation
algorithms.
Potential problem source(s):
- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

N

- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Only replace the DME if the fault remains present continuously or if the fault frequency is
greater than 3

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Loss of power
- Speed limitation

Breakdown notice:
- Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

- none

MEVD17.2- BN2000

0x28BA

10426

DME, internal fault, activation of throttle valve: Internal communication fault

The diagnostic function monitors the driver circuit controlling operation of the throttle valve.

P061F

Internal Control Module Throttle Actuator Controller Performance

ECM

Throttle Actuator

The fault is detected by the internal calculation
algorithms.
Potential problem source(s):
- DME defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

N

- DME defective

- Only replace the DME if the fault remains present continuously or if the fault frequency is
greater than 3

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Loss of power
- Speed limitation

Breakdown notice:
- Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

- none

MEVD17.2- BN2000

0x28BB

10427

DME, internal fault, activation of throttle valve: Line disconnection

The diagnostic function monitors the driver circuit controlling operation of the throttle valve.

P2100

Throttle Actuator 'A' Control Motor Circuit/Open

Throttle Actuator

Control Motor

The fault is detected by the internal calculation
algorithms.
Potential problem source(s):
- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

N

- Defective wiring harness between DME and throttle valve
- Defective throttle valve
- Defective DME

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Only replace the DME if the fault remains present continuously or if the fault frequency is
greater than 3

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Loss of power
- Speed limitation

Breakdown notice:
- Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

- none

MEVD17.2- BN2000

0x28BC

10428

Throttle valve actuator, closing spring test: Cancellation of check, spring does not close

During the spring test the diagnostic function monitors the throttle valve to determine whether it returns to the emergency air position within the specified period when no voltage is being
applied.

P1634

Throttle Valve Adaptation Spring Test Failed (Bank 1)

Throttle Actuator

Adaptation

the throttle valve does not return to an aperture of less than roughly 19% within 560 ms when voltage is not being applied to the unit.
Potential problem source(s):
- Stiction in valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve
actuator motor

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- None

- None

NO

none

Y

- Stiction in valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Check wiring harness between DME and throttle valve
- Use tester to activate throttle valve and observe its reaction
- Check throttle valve for contamination and foreign objects
- Move throttle valve by hand, checking for resistance to motion and noting how quickly it
closes when released
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28BD

10429

Throttle valve actuator, closing spring test: Fault during spring check

During the spring test the diagnostic function monitors the throttle valve to determine whether it reaches the specified position within the
specified period.

P1631

Throttle Valve Actuator Spring Test (Bank 1)

Throttle Actuator

Spring Test

the throttle valve fails to achieve an effective
aperture of roughly 30% within 140 ms.
Potential problem source(s):
- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- None

- None

NO

none

Y

- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Check wiring harness between DME and throttle valve
- Use tester to activate throttle valve and observe its reaction
- Check throttle valve for contamination and foreign objects
- Move throttle valve by hand, checking for resistance to motion and noting how quickly it
closes when released
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28C0

10432

Throttle valve actuator, opening spring test: Cancellation of check, spring does not open

During the spring test the diagnostic function monitors the throttle valve to determine whether it returns to the emergency-air position within the specified period when no voltage is being
applied.

P1629

Throttle Valve Actuator Spring Test Stop, Spring does not Open (Bank 1)

Throttle Actuator

Spring Test

the throttle valve does not return to an aperture of more than 7.4% within 560 ms when voltage is not being applied to the unit.
Potential problem source(s):
- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve
actuator motor

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- None

- None

NO

none

Y

- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Check wiring harness between DME and throttle valve
- Use tester to activate throttle valve and observe its reaction
- Check throttle valve for contamination and foreign objects
- Move throttle valve by hand, checking for resistance to motion and noting how quickly it
closes when released
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28C1

10433

Throttle valve actuator, opening spring test: Fault during spring check

During the spring test the diagnostic function monitors the throttle valve to determine whether it reaches the specified position below the emergency-air point within the specified time.

P1628

Throttle Valve Actuator Spring Test Malfunction during Opening (Bank 1)

Throttle Actuator

Spring Test

logged when the throttle valve fails to reach a
position of less than 2.5 %  and more than 0.4 % opening within 300 ms.
Potential problem source(s):
- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- None

- None

NO

none

Y

- Stiction in throttle valve
- Return spring defective
- Defect in wiring harness between throttle-valve actuator motor and DME
- Defective throttle-valve actuator motor

- Check wiring harness between DME and throttle valve
- Use tester to activate throttle valve and observe its reaction
- Check throttle valve for contamination and foreign objects
- Move throttle valve by hand, checking for resistance to motion and noting how quickly it
closes when released
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28C4

10436

Throttle valve, adaptation: emergency running position not adapted

The diagnostic function monitors the throttle valve to determine whether it is at the emergency air position (open at angle of roughly
7.6°) when no voltage is applied.

P1633

Throttle Valve Adaptation Limp-Home Position Unknown (Bank 1)

Throttle Actuator

Adaptation

the values for the emergency air point are determined to be less than 1.8% or larger than 16% during the adaptation process.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Dirt/contamination on throttle valve
- Throttle valve seized in
open or fully-closed position

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- 30 sec. after Terminal 15 on
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- Engine warmed to normal temperature, more than 80°C

- 30 sec. after Terminal 15 on

STEUERN_DK, STEUERN_ENDE_DK, STATUS_DKP_VOLT

none

Y

- Defect in wiring harness between throttle-valve actuator motor and DME
- Dirt/contamination on throttle valve
- Throttle valve seized in open or fully-closed position
- Defective throttle-valve actuator motor

- Determine whether throttle valve is open to an aperture of roughly 8° (almost closed) when no voltage is applied, check measured data in tester (sensor 1 and 2 voltage, throttle-valve
angle)
- Visual inspection of throttle valve and air- induction system for contamination
- Check wiring harness between DME and throttle valve
- Replace throttle-valve actuator motor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

none

MEVD17.2- BN2000

0x28CC

10444

Throttle valve, adaptation: Marginal conditions not met

During the throttle valve adaptation the diagnostic function monitors compliance with the prescribed process conditions.

P1632

Throttle Valve Adaptation Conditions Not Met (Bank 1)

Throttle Actuator

Adaptation

mechanical travel stop aborted owing to low battery voltage (< 10 V).
Potential problem source(s):
- Fault code entry is for information only
- Throttle-valve adaptation aborted in response to low onboard electrical system
voltage

This fault is logged in the control module's fault memory immediately.

Terminal 15

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- 30 sec. after Terminal 15 on
Other conditions:
- Engine on

- Engine warmed to normal temperature, more than 80°C

- 30 sec. after Terminal 15 on

NO

none

Y

- Fault code entry is for information only
- Throttle-valve adaptation aborted in response to low onboard electrical system voltage

- Check battery voltage (> 10 V), Terminal 15 off -> Terminal 15 on -> Wait 1 min
- Provided that the voltage condition has been met the fault should not occur again
- Component replacement based on this fault is
not necessary!

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x28CD

10445

Throttle valve, adaptation: Marginal conditions not met; battery voltage too low

The diagnostic function monitors the throttle valve to determine whether it reaches the lower mechanical travel stop (UMA) during the initial
adaptation.

P16E6

Throttle Valve Adaptation Conditions Not Met, Battery Voltage Too Low (Bank 1)

Throttle Actuator

Adaptation

The fault is recognized when the limits for the approved signal voltages (signal voltage sensor 1 < 0.27 V,
sensor 2 > 4.73 V) are violated during the initial adaptation, or when the deviation of the sum voltage of sensor 1 and sensor 2 of
5 V exceeds X V.
Potential problem source(s):
- Fault during initial initialization attempt; lower mechanical travel stop range violation:
- Dirt/contamination on travel
stop

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- 30 sec. after Terminal 15 on
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- Engine warmed to normal temperature, more than 80°C

- 30 sec. after Terminal 15 on

NO

none

Y

- Fault during initial initialization attempt; lower mechanical travel stop range violation:
- Dirt/contamination on travel stop
- Foreign matter/object(s)
- Sporadic contact resistance
- Defective throttle valve

- Clear ECU fault memory ? Ignition off?
Ignition on for at least 1 minute
- If fault is still present:
- a. Check wiring harness DME - throttle valve (sum of throttle valve voltages must equal 5 V)
- b. Inspect to determine whether any objects are present in the intake manifold or within the throttle valve's travel range
- c. Completely close the throttle valve by hand and measures the voltages on the two sensors (S1: 0.5 V +/- tolerance, S2: 4.5 V +/- tolerance)
- Replace throttle valve

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x28D0

10448

Throttle valve, adaptation: Initial adaptation, lower limit position not taught in

The diagnostic function monitors the throttle valve to determine whether it reaches the lower mechanical travel stop (UMA) during a repeat throttle-valve adaptation routine (after roughly 30 sec. Terminal 15 without engine start).

P16BC

Throttle Valve Adaptation Lower Stop Not Learned (Bank 1)

Throttle Actuator

Adaptation

The fault is recognized when the limits specified for the signal voltages (sensor 1
signal voltage < 0.27 V, sensor 2 > 4.73 V) are violated during the repeat adaptation routine (roughly 30 sec. at Terminal 15 without engine start) or the mutual deviation between the sum voltages for sensors 1 and 2 of 5 V is more than X
V.
Potential problem source(s):
- Fault during repeat initialization attempt; lower mechanical travel limit range violation:; 1.a. Travel stop dirty,

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- 30 sec. after Terminal 15 on
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- Engine warmed to normal temperature, more than 80°C

- 30 sec. after Terminal 15 on

NO

none

Y

- Fault during repeat initialization attempt; lower mechanical travel limit range violation: 1.a.
Travel stop dirty,
1.b.  Foreign object/matter
1.c. Sporadic contact resistance
1.d. Defective throttle valve

1. Clear ECU fault memory? Ignition off? Ignition on for at least 1 minute
2. If fault remains:
2.a. Check wiring harness DME - throttle valve (sum of throttle-valve voltages must equal 5 V)
2.b. Check to determine whether foreign objects/matter in the intake manifold or at the throttle valve are preventing the throttle valve
from closing
2.c. Completely close the throttle valve by hand and measures the voltages on the two
sensors (S1: 0.5 V +/- tolerance, S2: 4.5 V +/- tolerance)
3. Replace throttle valve

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms:
- Reduced power

Breakdown notice:
Ability to continue driving is restricted because engine speed is limited to roughly 1300 rpm.

none

MEVD17.2- BN2000

0x28D4

10452

Throttle valve, adaptation: Teach in again, lower limit position not taught in

During the throttle valve adaptation routine the diagnostic function monitors the offset and amplification of throttle valve potentiometer 1 in
the amplified range.

P1644

Throttle Valve Adaptation Stop Relearning Lower Mechanical Stop (Bank 1)

Throttle Actuator

Adaptation

the amplifier's offset exceeds 0.1 V or drops below
-0.1 V. This fault is also registered when the amplification factor is greater than 4.15 or less than 3.85.
Potential problem source(s):
- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- 30 sec. after Terminal 15 on
Other conditions:
- Engine on
- Vehicle velocity = 0 km/h

- Engine warmed to normal

- 30 sec. after Terminal 15

NO

none

Y

- Defect in wiring harness between throttle-valve actuator motor and DME
- Throttle-valve sensor defective
- AD converter input in DME defective

- Check wiring harness between DME and throttle valve
- Replace throttle valve
- Replace DME

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms: None

Breakdown notice: None

none

temperature, more than 80°C

on

MEVD17.2- BN2000

0x2906

10502

Intake air system: Suspicion of leaks between turbocharger and intake valves

The diagnostic function monitors the compressed intake air.

The fault is recognized when the amount of entering air is less than that required for the calculated fuel-air ratio.
Potential problem source(s):
- Extreme dirt/contamination in air filter
- Leaks in boost-air tubes between compressor and intake manifold
- Positive crankcase
ventilation valve defective

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine speed above 1900 rpm
- Engine load
- Turbocharger boost in closed-loop control range

- None

- None

NO

none

Y

- Extreme dirt/contamination in air filter
- Leaks in boost-air tubes between compressor and intake manifold
- Positive crankcase ventilation valve defective

miss in one or several cylinders, or combustion miss when fuel level is low), repair these issues first. No fault diagnosis required on
turbocharging system!
- Visual inspection of boost-air tubes between compressor and intake manifold
- Check air filter
- Apply positive pressure of 200 ± 20 mbar to check for leaks in the pressurized tract between the compressor and the intake-air plenum and intake manifold. Replace any leaking
components.
- If no problems are detected, although the induction tract fails to retain pressure, proceed

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message:  on

none

Possible apparent symptoms: Engine runs poorly (miss, unsatisfactory idle)
Power reduction

Breakdown notice:
- It is possible to continue driving the vehicle, but passing maneuvers should not be attempted
owing to the reduction in engine output.

None

MEVD17.2-

Coolant temperature sensor, electrical: Short

The diagnostic function monitors the coolant

Engine Coolant Temperature Sensor 1 Circuit Low

the sensor voltage lies below
0.1 V.
Potential problem source(s):
- Coolant temperature sensor wiring harness has short circuit to ground
- Temperature is outside measurement range
- Coolant temperature sensor

This fault is logged in the control module's fault

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:

0x5A37
0x5A38
0x5A39

- Coolant temperature sensor wiring harness has short circuit to ground
- Temperature is outside measurement range

- Check coolant temperature sensor wiring harness

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off

Possible apparent symptoms: Possible power reduction

Breakdown notice:

MEVD17.2- BN2000

0x2937

10551

Coolant temperature sensor, electrical: Short to B+ or open circuit

The diagnostic function monitors the coolant temperature sensor's wires.

P0118

Engine Coolant Temperature Sensor 1 Circuit

Engine Coolant Temperature Sensor

1 Electrical

the sensor voltage is above
4.95 V.
Potential problem source(s):
- The coolant temperature sensor's wiring harness is shorted to positive or has an
open wire
- Temperature is outside measurement range
- Coolant temperature sensor
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start Other conditions:
- Cold engine start

- None

- 21 sec. after engine start

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- The coolant temperature sensor's wiring harness is shorted to positive or has an open
wire
- Temperature is outside measurement range
- Coolant temperature sensor defective

- Check coolant temperature sensor wiring harness
- Replace coolant temperature sensor

- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

High

MEVD17.2- BN2000

0x293A

10554

Coolant temperature sensor, cold start: Coolant temperature too high

The diagnostic function monitors the coolant temperature to detect excessively high values
during cold starts.

P10D5

Cold Start Engine Coolant Temperature Too Low

Engine Coolant Temperature

Cold Start

the coolant temperature is 18°C above the average of several temperatures at cold start.
Potential problem source(s):
- Engine block heater or auxiliary heater may be installed
- Defect in wiring harness
between DME and sensor

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start Other conditions:
- None

- None

- 21 sec. after engine start

NO

Read test data block; ID 581F

N

- Engine block heater or auxiliary heater may be installed
- Defect in wiring harness between DME and sensor
- Sensor defective
- Defective DME

- Determine whether an engine block heater or auxiliary heater is installed
- Check wiring harness between DME and sensor
- Replace sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Rough engine, possibly followed by power reduction caused by thermal management

Breakdown notice: None

None

MEVD17.2- BN2000

0x293B

10555

Coolant temperature sensor, cold start: Coolant temperature too low

The diagnostic function monitors the coolant temperature to detect excessively low values
during cold starts.

P10D4

Cold Start Engine Coolant Temperature Too Low

Engine Coolant Temperature

Cold Start

The fault is recognized when the coolant temperature is 18°C below the average of several temperatures at cold start.
Potential problem source(s):
- Defect in wiring harness between DME and sensor
- Sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start Other conditions:
- Cold engine start

- None

- 21 sec. after engine start

NO

Read test data block; ID 581F

N

- Defect in wiring harness between DME and sensor
- Sensor defective
- Defective DME

- Check wiring harness between DME and sensor
- Replace sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Rough engine, possibly followed by power reduction caused by thermal management

Breakdown notice: None

None

MEVD17.2- BN2000

0x2943

10563

Coolant temperature sensor, plausibility: Signal change too fast

The diagnostic function monitors the coolant temperature sensor's voltage signal for
plausibility.

P0116

Engine Coolant Temperature Sensor 1 Circuit Range/Performance

Engine Coolant Temperature Sensor

1 Plausibility

temperature jumps of 30°C occur.
Potential problem source(s):
- Defect in wiring harness to coolant temperature sensor
- Coolant temperature sensor installed incorrectly
- Coolant temperature sensor
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness to coolant temperature sensor
- Coolant temperature sensor installed incorrectly
- Coolant temperature sensor defective

- Check coolant temperature sensor wiring harness
- Replace coolant temperature sensor

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

MEVD17.2- BN2000

0x2943

10563

Coolant temperature sensor, plausibility: Signal change too fast

The diagnostic function monitors the coolant temperature sensor's voltage signal for
plausibility.

P3198

Engine Coolant Temperature 1 Gradient Too

Engine Coolant Temperature

General

temperature jumps of 30°C occur.
Potential problem source(s):
- Defect in wiring harness to coolant temperature sensor
- Coolant temperature sensor installed incorrectly
- Coolant temperature sensor
defective

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

- None

- None

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness to coolant temperature sensor
- Coolant temperature sensor installed incorrectly
- Coolant temperature sensor defective

- Check coolant temperature sensor wiring harness
- Replace coolant temperature sensor

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

High

MEVD17.2- BN2000

0x2947

10567

Coolant temperature sensor, plausibility: Engine temperature compared with model implausibly
too low

The diagnostic function monitors the coolant temperature sensor.

P112B

Engine Coolant Temperature Too Low

Engine Coolant Temperature Sensor

1 Temperature

the coolant temperature sensor transmits implausible temperature data.
Potential problem source(s):
- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 1 min. after engine start Other conditions:
- Engine on
- No block heater active

- None

- 1 min. after engine start

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

- Check wiring harness between DME and coolant temperature sensor
- Replace coolant temperature sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

MEVD17.2- BN2000

0x2947

10567

Coolant temperature sensor, plausibility: Engine temperature compared with model implausibly
too low

The diagnostic function monitors the coolant temperature sensor.

P316B

Engine Coolant Temperature Signal Stuck Low

Engine Coolant Temperature

General

the coolant temperature sensor transmits implausible temperature data.
Potential problem source(s):
- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 1 min. after engine start Other conditions:
- Engine on
- No block heater active

- None

- 1 min. after engine start

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

- Check wiring harness between DME and coolant temperature sensor
- Replace coolant temperature sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

MEVD17.2- BN2000

0x2948

10568

Coolant temperature sensor, plausibility: Engine temperature implausible

The diagnostic function monitors the coolant temperature sensor.

P0116

Engine Coolant Temperature Sensor 1 Circuit

Engine Coolant Temperature Sensor

1 Plausibility

the coolant temperature sensor transmits implausible temperature data.
Potential problem source(s):
- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Engine temperature between 15°C and 60°C

- None

- None

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

- Check wiring harness between DME and coolant temperature sensor
- Replace coolant temperature sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

Range/Performance

MEVD17.2- BN2000

0x2948

10568

Coolant temperature sensor, plausibility: Engine temperature implausible

The diagnostic function monitors the coolant temperature sensor.

P3199

Engine Coolant Temperature Signal Stuck

Engine Coolant Temperature

General

the coolant temperature sensor transmits implausible temperature data.
Potential problem source(s):
- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on
- Engine temperature between 15°C and 60°C

- None

- None

NO

0x5A37
0x5A38
0x5A39
0x581E

N

- Defect in wiring harness between DME and coolant temperature sensor
- Coolant temperature sensor defective
- Defective DME

- Check wiring harness between DME and coolant temperature sensor
- Replace coolant temperature sensor
- Replace DME

- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Possible power reduction
Fan at maximum rotation speed

Breakdown notice: None

None

MEVD17.2- BN2000

0x299A

10650

Outside temperature sensor, signal: Upper threshold value exceeded

The diagnostic function monitors the outside temperature sensor for excessively high temperature figures.

P0073

Ambient Air Temperature Sensor Circuit 'A' High

Ambient Air Temperature Sensor

Electrical

This is monitored in the instrument cluster.
Potential problem source(s):
- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

CAN signal (ctum) from I- cluster

Y

- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

- Continue fault diagnosis at the instrument cluster

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: None

Breakdown notice: None

None

MEVD17.2- BN2000

0x299B

10651

Outside temperature sensor, signal: Lower threshold value undershot

The diagnostic function monitors the outside temperature sensor for excessively low temperature figures.

P0072

Ambient Air Temperature Sensor Circuit 'A' Low

Ambient Air Temperature Sensor

Electrical

This is monitored in the instrument cluster.
Potential problem source(s):
- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

This fault is logged in the control module's fault memory immediately.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

CAN signal (ctum) from I- cluster

Y

- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

- Continue fault diagnosis at the instrument cluster

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: None

Breakdown notice: None

None

MEVD17.2- BN2000

0x299C

10652

Outside temperature sensor, signal: CAN message faulty

The diagnostic function monitors the outside temperature sensor's CAN data.

P110F

Ambient Air Temperature Sensor Faulty CAN Signal

Ambient Air Temperature Sensor

Signal

This is monitored in the instrument cluster.
Potential problem source(s):
- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

The diagnostic fault code is logged when the fault remains present for longer than 1 min.

Terminal 15

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

- None

- None

NO

CAN signal (ctum) from I-

Y

- Wiring harness to outside temperature sensor defective
- Outside temperature sensor defective
- Instrument cluster faulty

- Continue fault diagnosis at the instrument cluster

lamp: on
- ECE electronic engine power reduction: on
- CC message:  on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message:  none

none

Possible apparent symptoms: None

Breakdown notice: Clarification in progress

None

cluster

MEVD17.2- BN2000

0x29A2

10658

Outside temperature sensor, plausibility:
Ambient temperature higher than model temperature

The diagnostic function checks the plausibility of the outside temperature.

P0071

Ambient Air Temperature Sensor Circuit 'A'

Ambient Air Temperature Sensor

Plausibility

The fault is recognized when the outside temperature remains more than 20°C above the model value for longer than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective

The diagnostic fault code is logged when the fault remains present for longer than 1 min.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine on
- Vehicle speed in excess of 45 km/h
- Mass-airflow rate less than 200 kg/h
- Intake-air temperature is

- Engine warmed to normal temperature, more than 80°C

- None

NO

none

Y

- Defect in wiring harness
- Outside temperature sensor defective

- Check outside temperature
- Check outside temperature sensor
- Check wiring harness between the instrument cluster and the outside temperature sensor

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

MIL ON in US versions only

Possible apparent symptoms: None

Breakdown notice: None

- The following conditions can lead to an incorrect diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary heater
- Sensor frozen

Range/Performance

MEVD17.2- BN2000

0x29A2

10658

Outside temperature sensor, plausibility:
Ambient temperature higher than model temperature

The diagnostic function checks the plausibility of the outside temperature.

P10EA

Ambient Air Temperature Too High

Ambient Air Temperature

General

The fault is recognized when the outside temperature remains more than 20°C above the model value for longer than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective

The diagnostic fault code is logged when the fault remains present for longer than 1 min.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine on
- Vehicle speed in excess of 45 km/h
- Mass-airflow rate less than 200 kg/h
- Intake-air temperature is

- Engine warmed to normal temperature, more than 80°C

- None

NO

none

Y

- Defect in wiring harness
- Outside temperature sensor defective

- Check outside temperature
- Check outside temperature sensor
- Check wiring harness between the instrument cluster and the outside temperature sensor

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

MIL ON in US versions only

Possible apparent symptoms: None

Breakdown notice: None

- The following conditions can lead to an incorrect diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary heater
- Sensor frozen

MEVD17.2- BN2000

0x29A3

10659

Outside temperature sensor, plausibility:
Ambient temperature less than model temperature

The diagnostic function checks the plausibility of the outside temperature.

P0071

Ambient Air Temperature Sensor Circuit 'A'

Ambient Air Temperature Sensor

Plausibility

The fault is recognized when the outside temperature remains more than 20°C below the model value for longer than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective

This fault is logged in the control module's fault memory immediately.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine on
- Vehicle speed in excess of 45 km/h
- Mass-airflow rate less than 200 kg/h
- Intake-air temperature is

- Engine warmed to normal temperature, more than 80°C

- None

NO

none

Y

- Defect in wiring harness
- Outside temperature sensor defective

- Check outside temperature
- Check outside temperature sensor
- Check wiring harness between the instrument cluster and the outside temperature sensor

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

MIL ON in US versions only

Possible apparent symptoms: None

Breakdown notice: None

- The following conditions can lead to an incorrect diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary heater
- Sensor frozen

Range/Performance

MEVD17.2- BN2000

0x29A3

10659

Outside temperature sensor, plausibility:
Ambient temperature less than model temperature

The diagnostic function checks the plausibility of the outside temperature.

P10EB

Ambient Air Temperature Too Low

Ambient Air Temperature

General

The fault is recognized when the outside temperature remains more than 20°C below the model value for longer than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective

This fault is logged in the control module's fault memory immediately.

none

- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine on
- Vehicle speed in excess of 45 km/h
- Mass-airflow rate less than 200 kg/h
- Intake-air temperature is

- Engine warmed to normal

- None

NO

none

Y

- Defect in wiring harness
- Outside temperature sensor defective

- Check outside temperature
- Check outside temperature sensor
- Check wiring harness between the instrument cluster and the outside temperature sensor

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

MIL ON in US versions only

Possible apparent symptoms: None

Breakdown notice: None

- The following conditions can lead to an incorrect diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary heater

temperature, more than 80°C

- Sensor frozen

MEVD17.2- BN2000

0x29CC

10700

Intake air temperature sensor, cold start: Intake- air temperature too high

The diagnostic function monitors the intake-air temperature to detect excessively high values
during cold starts.

P10C9

Cold Start Intake Air Temperature Too High (Bank 1)

Intake Air Temperature

1 Cold Start

the intake-air temperature exceeds an average figure from several temperatures during cold starts.
Potential problem source(s):
- Defective wiring harness between DME and intake-air temperature sensor
- Intake-air temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start Other conditions:
- Cold engine start

- None

- 21 sec. after engine start

NO

Read test data block; ID 581F

N

- Defective wiring harness between DME and intake-air temperature sensor
- Intake-air temperature sensor defective
- Defective DME

- Check wiring harness between DME and intake- air temperature sensor
- Replace intake-air temperature sensor
- Replace DME

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on

none

Possible apparent symptoms: Rough engine, possibly followed by power reduction caused by thermal management

Breakdown notice: None

None

MEVD17.2- BN2000

0x29CD

10701

Intake air temperature sensor, cold start: Intake- air temperature too low

The diagnostic function monitors the intake-air temperature to detect excessively low values
during cold starts.

P105D

Cold Start Intake Air Temperature Too Low (Bank 1)

Intake Air Temperature

1 Cold Start

the intake-air temperature is below an average figure from several temperatures during cold starts.
Potential problem source(s):
- Defective wiring harness between DME and intake-air temperature sensor
- Intake-air temperature sensor defective
- Defective DME

This fault is logged in the control module's fault memory immediately.

none

Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start Other conditions:
- Cold engine start

- None

- 21 sec. after engine start

NO

Read test data block; ID 5851

N

- Defective wiring harness between DME and intake-air temperature sensor
- Intake-air temperature sensor defective
- Defective DME

- Check wiring harness between DME and intake- air temperature sensor
- Replace intake-air temperature sensor
- Replace DME

MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message:  none MY11 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message:  on