Self Diagnosis - Diagnostic Trouble Codes - DTC p1214 - DTC u1168 (n52)

BMW MSV80

MSV80 engine operating system applies to N54 engine. DTC P1214 - DTC U1168.

BMW Fault Code (hex)

0x2AAE

BMW Fault Code (dez)

10926

BMW Fault Code Description VS-Text

Fuel pump

Component

No Info

Subcomponent

No Info

Monitoring criteria

Self-diagnosis from EKP module fault memory entry via CAN

Fault debouncing

none

Terminal conditions

none

Voltage conditions

none

Temperature conditions

none

Time conditions

none

System test

none

Signal information

none

Calculated value Y/N

none

Possible Fault Causes

none

Repair procedures (plant/service)

none

MIL illumination/CC message/emergency program

none

Remarks

none

0x2AAE

10926

Fuel pump

No Info

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2AAE

10926

Fuel pump

Fuel Regulators/Valves/Sensors

Fuel Pump

Self-diagnosis from EKP module fault memory entry via CAN.

none

0x2AAE

10926

Fuel pump

No Info

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2F94

12180

Fuel-pump relay, activation

No Info

SIG

none

Data content defined

0x2F94

12180

Fuel-pump relay, activation

No Info

min

none

Data content defined

0x2F94

12180

Fuel-pump relay, activation

No Info

MAX

none

Data content defined

0x2AAD

10925

Fuel pump, emergency shutoff

Fuel Regulators/Valves/Sensors

Fuel Pump

none

0x2AA2

10914

Camshaft sensor, inlet, gap loss

Camshaft Position Sensor

Intake Signal

NWE synchronous

On every camshaft flank if the flank ratio is not in tolerance.

Terminal 15 on

none

Interference on the sensor signal

Check signal wire for short to positive, ground, opens and interference pulses
Replace camshaft exhaust side sensor

MIL 2nd DC, CAM operates in emergency default mode

Signal interference

0x2E18

11800

Firing, cylinder 1

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t >5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil.

Check wiring harness, ground connection and plug-in contacts. Visual inspection of spark plug, ignition coil (replace if damaged). After excluding all of these faults from consideration replace the control module.

none

0x2E19

11801

Firing, cylinder 2

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t > 5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil

none

0x2E1A

11802

Firing, cylinder 3

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t >5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil.

none

0x2E1B

11803

Firing, cylinder 4

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t > 5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil

none

0x2E1C

11804

Firing, cylinder 5

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t > 5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil.

none

0x2E1D

11805

Firing, cylinder 6

No Info

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system > 11 V

Outside temperature > -9.8°C

t > 5 sec.

none

Voltage supply and ground connection for ignition system spark plugs ignition coil.

none

0x2AA3

10915

Camshaft sensor, exhaust, space loss

Camshaft Position Sensor

Exhaust Signal

NWA synchronous

On every camshaft flank if the flank ratio is not in tolerance.

Terminal 15 on

none

Interference on the sensor signal

Check signal wire for short to positive, ground, opens and interference pulses
Replace camshaft exhaust side sensor

MIL 2nd DC, CAM operates in emergency default mode

Signal interference

0x2E69

11881

Knock-sensor signal 2

Knock Sensor

Sensor 2

Knock sensor signal monitor. Vehicle road operation at > 2800 1 RPM (current data status, tends toward > 2560 RPM) and air mass > 180 mg/unit. It is not possible to clear fault by switching ignition terminals. Compliance with the activation conditions and absence of malfunction extending over several seconds are required before fault code can be cleared.

Yes, by event counter. Knock signal sensor must lie below threshold (differential knock signal < 180 mV < 200 mV) for 1...3 sec., then fault code is registered

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

min 1 sec., max 3 sec.

none

Knock sensor signal too high. Threaded sensor connection is loose or wire connecting knock sensor 2 to the engine-management ECU is shorted to positive

Check knock sensor connection to verify that it is tight.
Check wire connecting knock sensor 1 and engine-management control module
Check for connection between knock sensor 1 and ground or positive
Replace knock sensor

No warning message. (No closed-loop knock control available. Power loss, as engine reverts to operation in safe range.)

none

0x2E69

11881

Knock-sensor signal 2

Knock Sensor

Sensor 2

Knock sensor signal monitor. Vehicle road operation at >2800 1 RPM (current data status, tends toward > 2560 RPM) and air mass > 180 mg/unit. It is not possible to clear fault by switching ignition terminals. Compliance with the activation conditions and absence of malfunction extending over several seconds are required before fault code can be cleared.

Yes, by event counter. If knock sensor signal remains below threshold (differential knock signal > 4.8 V) for 1...3 sec. fault code is stored.

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

min 1 sec., max 3 sec.

none

Knock sensor signal too low. Threaded sensor connection is loose or wire connecting knock sensor 1 to engine-management ECU is open.

Check knock sensor connection to verify that it is tight.
Check wire connecting knock sensor 1 and engine-management control module
Check for connection between knock sensor 1 and ground or positive
Replace knock sensor

No warning message. (No closed-loop knock control available. Power loss, as engine reverts to operation in safe range.)

none

0x2E69

11881

Knock-sensor signal 2

Knock Sensor

Sensor 2

The debounce time is derived from assessment of statistical diagnosis

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

min 1 sec., max 3 sec.

none

Knock sensor signal too low. Threaded sensor connection is loose or wire connecting knock sensor 2 to engine-management ECU is open.

Check knock sensor connection to verify that it is tight.
Check wire connecting knock sensor 1 and engine-management control module
Check for connection between knock sensor 1 and ground or positive
Replace knock sensor

No warning message. (No closed-loop knock control available. Power loss, as engine reverts to operation in safe range.)

none

0x2E77

11895

Firing, voltage supply

No Info

Start process completed, ignition failure on all cylinders

Fault is detected when all combustion durations = 0 ms

Terminal 15, engine on

6 - 24 V

40°C - 150°C

none

Defect in central voltage supply (voltage supply, ignition wiring loom)

Check voltage supply and ignition wiring loom including interfaces

Ignition failure encompassing all cylinders, fault detected when all combustion durations = 0 ms

0x29DA

10714

Crankshaft sensor, segment adaptation

Crankshaft Position Sensor

Signal

In the adaptation phases with active overrun injection deactivation

Violation of maximum approved adaptation range

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

Always active

none

Crankshaft sensor, defective reluctor

Check and replace as indicated: Crankshaft sensor, reluctor

none

0x2DE2

11746

Tank fill level, right, signal

Fuel Level Sensor

Signal

Short circuit or open circuit in left-side level sensor, sensor resistance too low/high

90 sec.

Terminal 15, engine on

none

Sensor value too low/high

Check sensor resistance, determine location of open wire/short circuit (wiring harness, plug, cluster, junction box, tank)

none

0x2DE1

11745

Tank fill level, left, signal

Fuel Level Sensor

Signal

Short circuit or open circuit in left-side level sensor, sensor resistance too low/high

90 sec.

Terminal 15, engine on

none

Sensor value too low/high

Check sensor resistance, determine location of open wire/short circuit (wiring harness, plug, cluster, junction box, tank)

none

0x2A00

10752

Secondary-air system

Secondary Air System

Flow Check, 1+2

Activation conditions: - Engine start - Secondary air-injection must be active - Ambient temperature >3°C - 3.8°C < Coolant temperature < 50.3°C

40 sec.

Terminal 15, engine start

Vehicle electrical system voltage (battery voltage between 7 & 15 V)

Ambient temperature > 3°C, coolant start temperature between 3.8°C & 50.3°C

none

EOL test of secondary air-injection system (Do not run more than 5 EOL tests in succession; the SA pump can overheat)

none

Potential causes - Hose between SA pump and SA valve disconnected/damaged - Defective secondary air-injection pump - Defective secondary air-injection valve - Obstructed passage between secondary air injection valve and the exhaust banks (in engine block)

Visual inspection from connecting hose between secondary air injection pump (SAP) and secondary air-injection valve (SAV). Replace the hose if it is damaged.
Determine whether hose is connected. - if not - connect hose. A click must be audible when the hose is connected.
Conduct EOL test and listen to determine whether SAP is running or not: - if yes - determine whether the pump is producing pressure (hold with hand), it should be possible to feel pressure - of not - check wiring to pump (plug, relay, wiring), conduct EOL test with pump supplied by separate 12 V power source.

MIL

none

0x29DC

10716

Cylinder injection cutout

Injection Deactivation

Low Fuel

none

0x2A03

10755

Secondary-air pump relay, activation

Secondary Air System

Pump

Control activation monitor, in post-start phase when pump is triggered

0.5 sec. with pump active 5 sec. when inactive

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec. with pump active 5 sec. when inactive

Secondary air-injection system check

none

Short to ground in relay activation circuit

Electrical check on wire
Visual inspection of plug-in connectors (at both component and DME ends)
Use tester to trigger components
Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization

0x2A03

10755

Secondary-air pump relay, activation

Secondary Air System

Pump

Control activation monitor, in post-start phase when pump is triggered

0.5 sec. with pump active 5 sec. when inactive

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec. with pump active 5 sec. when inactive

Secondary air-injection system check

none

Short to positive in relay activation circuit

Electrical check on wire
Visual inspection of plug-in connectors (at both component and DME ends)
Use tester to trigger components
Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization

0x2D06

11526

Air-mass system

Mass Air Flow

General

Mass airflow data monitor 6% < relative charge <120% -20° < induction air temperature < 85°C 560 1 RPM < engine speed < 7200 RPM Time after start > 30 sec. Regardless of whether EVAP is active/inactive

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system >= 10 V

Coolant temperature > -10°C

6.2 sec.

none

MIN fault (HFM monitored data too low) - HFM signal wire shunt - Vacuum leak induction system/crankcase - for instance, oil filler cap open - for instance, induction system leak - for instance, brake servo leak - HFM sensor fault - Collateral malfunction: DISA positioning - Collateral malfunction: incorrect stroke registration.

Visual inspection of HFM plug contacts
Check wiring between HFM and DME
Check induction system/crankcase for leaks (the positive crankcase ventilation system can allow vacuum leaks with air from the crankcase entering the manifold, for instance, if vacuum line from brake booster to vacuum pump is leaking)
Check for DISA diagnostic fault code entries and DISA control operation (DISA fault does not prevent HFM plausibility check)
Carry out VVT travel limit initialization routine

MIL ON

none

0x2D09

11529

THROTTLE

Throttle Control

Air Supply

none

0x2D06

11526

Air-mass system

Mass Air Flow

General

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system > = 10 V

Coolant temperature > -10°C

6.2 sec.

none

MAX fault (HFM monitored data too high) - HFM signal wire shunt - HFM sensor fault - Collateral fault from incorrect DISA positioning - Collateral fault from incorrect stroke measurement

Visual inspection of HFM plug contacts
Check wiring between HFM and DME
Check induction system/crankcase for leaks (the positive crankcase ventilation system can allow vacuum leaks with air from the crankcase entering the manifold, for instance, if vacuum line from brake booster to vacuum pump is leaking)
Check for DISA diagnostic fault code entries and DISA control operation (DISA fault does not prevent HFM plausibility check)
Carry out VVT travel limit initialization routine

MIL ON

none

0x2A17

10775

DMTL, system fault

EVAP System

Pump Current

DMTL component monitor

Following completion of DMTL check

Terminal 15 ON

10.95 < vehicle electrical system voltage < 14.5

1.5°C > Ambient temperature > 38°C

Following completion of DMTL check

DMTL Check

none

Valve in DMTL defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2AD9

10969

EAC sensor, coding

Direct Ozone Reduction

Catalyst Temperature Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME

24 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

EAC sensor has been tampered with

Replace EAC sensor

MIL in second driving cycle

none

0x2AD8

10968

EAC sensor, monitoring

Direct Ozone Reduction

Catalyst Temperature Sensor

Coolant temperature > 86°C, Coolant temperature at radiator discharge >40°C --> meaning thermostat is certainly open and the EAC sensor in valid temperature range

At least twice (more often as required). Drive at least 30 sec. as during acceleration from rest in urban traffic.

none

UBatt >10 V

> -7°C

none

Sensor subjected to tampering has been installed, or sensor's installation location not as specified, or sensor is defective.

Check temperature gradient (Service Test); install new sensor as indicated

MIL in 2nd DC

none

0x2AD8

10968

EAC sensor, monitoring

Direct Ozone Reduction

Catalyst Temperature Sensor

Coolant temperature > 86°C, Coolant temperature at radiator discharge > 40°C --> meaning thermostat is certainly open and the EAC sensor in valid temperature range

At least twice (more often as required). Drive at least 30 sec. as during acceleration from rest in urban traffic.

none

UBatt >10 V

>-7°C

none

Sensor subjected to tampering has been installed, or sensor's installation location not as specified, or sensor is defective

Check temperature gradient (Service Test); install new sensor as indicated

MIL in 2nd DC

none

0x2A17

10775

DMTL, system fault

EVAP System

Pump Current

DMTL component monitor

After DMTL check is triggered 2 times

Terminal 15 ON

10.95 < vehicle electrical system voltage < 14.5

1.5°C > Ambient temperature > 38°C

After DMTL check is triggered 2 times

DMTL Check

none

Moisture in the DMTL/DMTL heater defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A17

10775

DMTL, system fault

EVAP System

Pump Current

DMTL component monitor

Roughly 1 minute after DMTL check is triggered

Terminal 15 ON

10.95< vehicle electrical system voltage<14.5

1.5°C > Ambient temperature > 38°C

Roughly 1 minute after DMTL check is triggered

DMTL Check

none

Pump motor current too low, pump defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A17

10775

DMTL, system fault

EVAP System

Pump Current

DMTL component monitor

Roughly 1 minute after DMTL check is triggered

Terminal 15 ON

10.95 < vehicle electrical system voltage < 14.5

1.5°C > Ambient temperature > 38°C

Roughly 1 minute after DMTL check is triggered

DMTL Check

none

Pump motor current too high, pump resistance, locks up

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A03

10755

Secondary-air pump relay, activation

Secondary Air System

Pump

Control activation monitor, in post-start phase when pump is triggered

0.5 sec. with pump active 5 sec. when inactive

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec. with pump active 5 sec. when inactive

Secondary air-injection system check

none

Interruption of relay activation current

Electrical check on wire
Visual inspection of plug-in connectors (at both component and DME ends)
Use tester to trigger components
Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization

0x2EFF

12031

Electric fan, self-diagnosis

No Info

PWM > 10%

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

Ambient temperature > -20°C

Appears twice for 6 sec. each time; At ecfpwm (=pulse-duty factor?) > 10%. Roughly 115 sec. may elapse before fault code is registered in fault memory!

none

Fault in fan's electronic control circuit. Binding in fan blade assembly. Fan blade assembly seized.

Disconnect plug from fan assembly. (otherwise there is an injury hazard)
The fan moves freely Check and remove any foreign objects. --> Fan is mechanically seized: Replace fan --> Fan blades turn freely: Reconnect plug and use tester to activate fan at least 15%. --> Fan should start. --> Fan fails to start running: Replace fan assembly

no external display

An inoperative E fan can also cause the engine to overheat.

0x2F0F

12047

Radiator blind, self-diagnosis

No Info

none

0x2AAB

10923

Variable intake system, self-diagnosis

No Info

Monitoring of DISA controller (large valve) Engine speed > 500 RPM

Valve must lock up mechanically 10 times in succession. (5x open and 5x closed)

Terminal 15 ON

Voltage in onboard electrical system > 10 V

Ambient temperature > -20°C

none

PWM between 15% and 70%

Fault in electronic valve control. Physical seizure of valve; Valve binding.

Replace large DISA valve

none

Reduced power in various rpm ranges; downward shift in torque curve

0x2AAC

10924

Variable intake system 2, self-diagnosis

No Info

Monitoring of DISA controller (no valve) Engine speed > 500 rpm

Valve must lock up mechanically 10 times in succession. (5x open and 5x closed)

Terminal 15 ON

Voltage in onboard electrical system > 10 V

Ambient temperature > -20°C

none

PWM between 15% and 70%

Fault in electronic valve control. Physical seizure of valve; Valve binding

Replace small DISA valve

none

Reduced power in various rpm ranges; downward shift in torque curve

0x2F11

12049

Radiator blind, top

No Info

AKKS must be initialized. Operation of lower flap: 3 x open and 3 x closed or conduct the system test.

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

In the SGBD

PWM of 5-90%

Mech. defect in valve. Possibly from ice cover in winter, or valve mechanism is defective (also: internal fault) PVE: Hold valve on clamp

Check AKKS for sticking and seizure. (may be iced up in winter)
Use the tester to trigger the valve repeatedly. If OK Clear fault memory, conduct system test --> No fault code entry. If not OK: Replace AKKS and conduct test for GLF --> No fault code entry

no external display

There is no danger with the AKKS provided the malfunction did not arise while it was closed.

0x2F11

12049

Radiator blind, top

No Info

AKKS must be initialized. Operation of lower flap: 3 x open and 3 x closed or conduct the system test.

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

In the SGBD

PWM of 5-90%

Electrical defect in valve actuator. PVE: Not possible without destroying the controller.

Replace AKKS

no external display

There is no danger with the AKKS provided the malfunction did not arise while it was closed.

0x2F10

12048

Radiator blind, bottom

No Info

PKKS must be initialized. Operation of lower flap: 3 x open and 3 x closed or conduct the system test

up to 20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

In the SGBD

PWM of 5-90%

Fault in wire from AKKS to PKKS (all 3 fault classes)
Fault in wire from PKKS to ground (open wire or short to UBatt)
Retention solenoid defective (internal short or burned through)

Check wire from AKKS PIN 4 to PKKS (connection +)
Check ground connection to the PKKS
Check retention solenoid (internal short or burned through)

no external display

There is no danger with the PKKS provided the malfunction did not arise while it was closed.

0x2E8B

11915

Intelligent battery sensor, signal

No Info

IBS: Interference with extended communications on BSD bus

10 sec.

none

Brief bus fault
Other defective BSD component interferes with BSD bus.
Intermittent short to positive or ground
Intermittent contact in BSD wire
Defective battery sensor.

Check BSD wire for sporadic shorts to battery voltage and ground
Check for intermittent contacts
Systematically disconnect other BSD components one after the other and replace as indicated
If fault persists after clearing fault memory, replace battery sensor
If fault memory entry is logged repeatedly, replace battery sensor

No warning lamp or CC status report

none

0x2E8B

11915

Intelligent battery sensor, signal

No Info

IBS: Interference in data communications on BSD bus

10 sec.

none

BSD wire open
Other defective BSD component interferes with traffic on BSD bus.
Intermittent short to positive or ground
Defective battery sensor.

Check BSD wire for shorts to battery voltage and ground
Check for open wires
Disconnect other BSD components one after the other and replace as indicated
If fault persists after clearing fault memory, replace battery sensor
If fault memory entry is logged repeatedly, replace battery sensor

No warning lamp or CC status report

none

0x2E8E

11918

Intelligent battery sensor, communication

No Info

IBS communications monitor

10 sec.

Terminal 15 ON

Terminal 87 > 10.0 V

none

approximately 10 sec.

none

Battery sensor not installed on battery, as optional equipment
Open circuit in wire (BSD_BUS) between battery sensor and DME.
Defective battery sensor.

Determine whether battery sensor is installed. If not, use SGBD to delete all adaptation data and then switch ignition off/on.
Check continuity in wire connecting DME to battery sensor (BSD_BUS)
Ensure correct fit of battery sensor on battery ground terminal and check seating of all plugs
Replace battery sensor.

No warning message. The alternator responds to loss of the BSD_BUS signal by charging at a constant 14.4 V battery.

none

0x2E8B

11915

Intelligent battery sensor, signal

No Info

IBS: Implausible SW version

10 sec.

none

Installed sensor incompatible or too old

Install sensor with current part number

No warning lamp or CC status report

none

0x2E8C

11916

Intelligent battery sensor, signal transmission

No Info

Implausible battery temperature measurement

10 sec.

none

Self-diagnosis has detected potential problem in its temperature measurement

If fault persists after deletion of stored fault codes from log, replace battery sensor.
If fault code is entered repeatedly, replace battery sensor.

No warning lamp or CC status report

none

0x2E8C

11916

Intelligent battery sensor, signal transmission

No Info

Implausible battery voltage measurement

10 sec.

none

Self-diagnosis has detected possible problem with its voltage measurement

If fault persists after deletion of stored fault codes from log, replace battery sensor
If fault code is entered repeatedly, replace battery sensor

No warning lamp or CC status report

none

0x2E8C

11916

Intelligent battery sensor, signal transmission

No Info

Implausible battery current measurement

10 sec.

none

Self-diagnosis has detected possible problem with its battery current measurement

Check electrical system/alternator for overvoltage
If fault remains after deleting stored fault codes from log, replace battery sensor
If fault is logged repeatedly, replace battery sensor

No warning lamp or CC status report

none

0x2AAA

10922

Variable intake system, plausibility

No Info

6% < Relative charge <120% 560 RPM < Engine speed < 7200 RPM. Time after start > 30s. Regardless of whether EVAP is active/inactive = High load demand. Additional induction air restriction Induction air temperature = +60°C maximum. Induction air temperature = +0°C minimum.

none

Terminal 15, engine on

Voltage in onboard electrical system >= 10 V

Coolant temperature > - 10°C 0 < Induction air temperature < 60°C

1.1 sec.

none

No pressure pulses in intake manifold prior to low switching speed (approximately 3200 1 rpm) or pulsation present after low switching speed. Valves fail to close completely or leak.

Remove DISA valves (both, as individual assessment of DISA 1/2 is not possible) and inspect - valves present? - Are seals and gaskets present? - Are seals and gaskets OK? - Does valve open/close completely?

none

Data content defined

0x2AAA

10922

Variable intake system, plausibility

No Info

6% < Relative charge <120% 560 rpm < Engine speed < 7200 rpm. Time after start > 30s Regardless of whether EVAP is active/inactive = High load demand. Additional induction air restriction. Induction air temperature = +60°C maximum. Induction air temperature = +0°C minimum.

none

Terminal 15, engine on

Voltage in onboard electrical system >= 10 V

Coolant temperature > - 10°C 0 < Induction air temperature < 60°C

1.1 sec.

none

No pressure pulses in intake manifold prior to high switching speed (approximately 4400 1 rpm) or pulsation present after high switching speed. Valves fail to close completely or leak.

none

Data content defined

0x2AA8

10920

Variable intake system, servomotor: activation

DISA (Differentiated Intake Manifold)

Electrical

Monitoring of DISA controller. Engine speed > 500 rpm.

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Open circuit

Check voltage supply to valve. (If positive power to the valve is missing or intermittent this fault code will be stored.)
Check wiring. Repair if defective. If wiring is OK, proceed to check component.

none

Not in B30UL_US reduced power in various engine speed ranges; low torque curve.

0x2AA9

10921

Variable intake system, servomotor 2: activation

DISA (Differentiated Intake Manifold)

Electrical

Monitoring of DISA controller 2 actuator. Engine speed > 500 rpm.

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Open circuit

Check voltage supply to valve. (If positive power to the valve is missing or intermittent this fault code will be stored.)
Check wiring. Repair if defective. If wiring is OK, proceed to check component

none

Not in B25UL and B30UL_US reduced power in various engine speed ranges; low torque curve

0x2AA8

10920

Variable intake system, servomotor: activation

DISA (Differentiated Intake Manifold)

Signal

Monitoring of DISA controller. Engine speed > 500 rpm.

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

5.5 sec.

none

Short circuit to ground in wire or component.

Check wiring. Repair if defective. If wiring is OK, proceed to check component.

none

Not in B30UL_US reduced power in various engine speed ranges; low torque curve

0x2AA9

10921

Variable intake system, servomotor 2: activation

DISA (Differentiated Intake Manifold)

Signal

Monitoring of DISA controller 2 actuator Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

5.5 sec.

none

Short circuit to ground in wire or component.

Check wiring. Repair if defective. If wiring is OK, proceed to check component.

none

Not in B25UL and B30UL_US reduced power in various engine speed ranges; low torque curve

0x2AA8

10920

Variable intake system, servomotor: activation

DISA (Differentiated Intake Manifold)

Signal

Monitoring of DISA controller Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Wire is shorted to positive, or a short to positive is present in the component

Check wiring. Repair if defective. If wiring is OK, proceed to check component

none

Not in B30UL_US reduced power in various engine speed ranges; low torque curve

0x2AA9

10921

Variable intake system, servomotor 2: activation

DISA (Differentiated Intake Manifold)

Signal

Monitoring of DISA controller 2 actuator. Engine speed > 500 RPM

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Wire is shorted to positive, or a short to positive is present in the component

Check wiring. Repair if defective. If wiring is OK, proceed to check component

none

Not in B25UL and B30UL_US reduced power in various engine speed ranges; low torque curve

0x2F80

12160

System time, plausibility

Engine Off Timer, External

Electrical

Terminal 15 on Engine running

2 Min

Terminal 15 on

Battery voltage > 10 V

Engine shutdown temperature > 85°C

Engine off time < 12 min or > 10 h

none

Defective engine temperature sensor. Timer in instrument cluster is defective

Check engine temperature sensor. Check instrument cluster.

Mil in 2nd driving cycle

US only

0x2E8D

11917

Intelligent battery sensor, function

No Info

During Terminal 15/wakeup request from IBS and critical charge status. Short to ground in Terminal 15 wakeup wire.

10 sec.

none

Terminal 15/wake-up wire shorted to ground
Defective driver circuit in battery sensor

With battery sensor disconnected, check Terminal 15/wake-up wire for shorts to ground
Check for non-approved connection of supplementary electr. equipment to Terminal 15/wake-up wire
If fault code is stored, replace battery sensor

No warning lamp or CC status report

none

0x2E8D

11917

Intelligent battery sensor, function

No Info

Terminal 15-Wakeup wire signal level implausible

10 sec.

With each change in terminal-15 status, i.e., off or on

none

Terminal 15/wake-up wire open
Intermittent open in Terminal 15/wake-up wire
Terminal 15/wake-up wire shorted to ground or battery voltage
Defective driver circuit in battery sensor

Check Terminal 15/wakeup wire for opens and intermittent contacts
With battery sensor removed and Terminal 15 off, check Terminal 15/wakeup wire for short to battery voltage -> Repair wire and/or check Terminal 15, control module wakeup
With battery sensor removed and Terminal 15 on, check Terminal 15/wakeup wire for short to ground
With battery sensor connected and Terminal 15 off, check Terminal 15/wakeup wire for shorts to battery voltage - > Replace battery sensor
With battery sensor connected and Terminal 15 on, check Terminal 15/wakeup wire for shorts to ground -> Replace battery sensor

No warning lamp or CC status report

none

0x2E8D

11917

Intelligent battery sensor, function

No Info

IBS system fault

10 sec.

none

Self-diagnosis utility has detected internal IBS fault

Replace battery sensor

No warning lamp or CC status report

none

0x2E9F

11935

Oil condition sensor

Engine Oil Quality Sensor

Communication

The sensor fails to respond

30 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

10 sec.

none

Defective oil sensor (no communications)

Wiring harness check/sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

Engine must be between 900 rpm and 5000 rpm

0x2AC6

10950

Button, Dynamic Driving Control (SPORT button), signal

No Info

SPORT switch monitoring only with CAN-11 network

none

Terminal 15 ON

none

500 ms

none

Sensor wire shorted to positive or open circuit in wire

Electrical check on switch wire and power wires
Visual inspection of plug-in connections (on component and DME ends)
Switch replacement

none

Voltage range diagnosis

0x2AC6

10950

Button, Dynamic Driving Control (SPORT button), signal

No Info

SPORT switch monitoring only with CAN-11 network

none

Terminal 15 ON

none

500 ms

none

Short to ground in switch wire

Electrical check on switch wire and power wires
Visual inspection of plug-in connections (on component and DME ends)
Switch replacement

none

Voltage range diagnosis

0x2F80

12160

System time, plausibility

Engine Off Timer, External

Electrical

Terminal 15 on Engine running

2 Min

Terminal 15 on

Battery voltage > 10 V

Engine shutdown temperature > 85°C

none

Yes

CAN signal incorrect or not present

Check CAN signal

Mil in 2nd driving cycle

US only

0x2A99

10905

Crankshaft - exhaust camshaft, correlation

Crankshaft/Camshaft Position Sensor

Exhaust

NWA synchronized, adaptation enabled

On each camshaft tooth flank when the position is out of tolerance.

Terminal 15 on

none

Position of NWA relative to crankshaft outside tolerance range.

Check position (valve timing setting) of camshaft and reluctor
Check timing chain and tensioner mechanism.
Check VANOS solenoid for dirt and contamination
Check torque on crankshaft center bolt

MIL 2nd DC, CAM operates in emergency default mode

Installation fault or mechanical malfunction in camshaft drive

0x2A98

10904

Crankshaft - inlet camshaft, correlation

Crankshaft/Camshaft Position Sensor

Intake

NWE synchronous, adaptation enabled

On each camshaft tooth flank when the position is out of tolerance.

Terminal 15 on

none

Position of NWE relative to crankshaft outside tolerance range.

Check position (valve timing setting) of camshaft and reluctor.
Check timing chain and tensioner mechanism.
Check VANOS solenoid for dirt and contamination.
Check torque on crankshaft center bolt.

MIL 2nd DC, CAM operates in emergency default mode

Installation fault or mechanical malfunction in camshaft drive.

0x2DBE

11710

Active cruise control, blocked for driving cycle

No Info

Terminal 15 ON, ACC recognized

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

100 ms

none

Throttle valve fault, accelerator pedal fault, torque demand from ACC despite pressure on brake pedal.

Check fault memory for stored faults related to internal fault sources within DME (see at left). Otherwise check ACC control module.

ACC operation locked out for entire driving cycle

ACC interface deactivated for entire driving cycle

0x2DBE

11710

Active cruise control, blocked for driving cycle

No Info

Terminal 15 ON, ACC recognized

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

100 ms

none

Crankshaft fault, clutch switch fault, brakelight switch fault, CAN timeout on DSC, ACC, instrument cluster or EGS.

Check fault memory for stored faults related to internal fault sources within DME (see at left).

ACC operation cancelled while fault is active

Temporary deactivation of ACC interface

0x2DB7

11703

Cruise control, time limit of data transmission reached

No Info

CAN 11 vehicle (E46, E85, E83)
Multifunction steering wheel installed
Any MF-wheel button pressed

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

1700 ms

none

Defective MFL module, open PIN 2--04 wire

Visual inspection of plug contacts (component and DME ends)
Electrical check of wiring
Replace MFL module

Vehicle speed controller deactivated, no warning lamp

No signal received from MFL module

0x2AE0

10976

Idle speed control during cold start, plausibility

Idle Speed Control

Cold Start RPM

none

0x2AE0

10976

Idle speed control during cold start, plausibility

Idle Speed Control

Cold Start RPM

Idle = ON VS = 0 km/h High idle for catalyst heating = On

20 sec.

Engine must be running

none

>-10°C

Roughly 120 seconds, varies according to start temperature

none

Not possible to maintain idle speed at specified level including offset for catalyst heating

Note any other fault code entries and repair the associated problems! Check all load-responsive servo actuators such as Valvetronic and the throttle valve for stored control module fault memory entries and malfunctions! (check injection and induction system as indicated).

MIL on in 2nd driving cycle

US only

0x2DB6

11702

Cruise control, switch, multifunction steering wheel

No Info

Simultaneous recognition of pressure on '+' and '-' buttons

CAN 11 vehicle (E46, E85, E83)
Multifunction steering wheel present
MF wheel S/B button or VE pressed

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

800 ms

none

Internal short circuit between '+' and '-' buttons in MFL module, or mechanical defect allowing simultaneous operation.

Visual inspection of MFL module (buttons: '+' and '-')
Replace MFL module

Vehicle speed controller deactivated, no warning lamp

Simultaneous pressure on '+' and '-' buttons detected

0x2DB5

11701

Cruise control, signal

No Info

Redundancy fault in transmitting cruise control user input

CAN 11 vehicle (E46, E85, E83)
Multifunction steering wheel present
MF-wheel button WA, S/B or OFF is pressed

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

800 ms

none

Defective MFL module

Replace MFL module

Vehicle speed controller deactivated, no warning lamp

not translated

0x30C2

12482

Oil-pressure control valve, activation

No Info

Monitored at: 10% PWM < Control activation PWM to oil pump < 94% PWM (idle)

1 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

PWM of 0-100%

Wire is shorted to positive, or a short to positive is present in the component

Check wiring. Repair if defective. If wiring is OK, proceed to check component

none

0x30C2

12482

Oil-pressure control valve, activation

No Info

Monitored at: 10% PWM < Control activation PWM to oil pump < 94% PWM (idle)

1 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

PWM of 0-100%

Short circuit to ground in wire or component.

Check wiring Repair if defective If wiring is OK proceed to check component

none

0x30C2

12482

Oil-pressure control valve, activation

No Info

Monitored at: 10% PWM < Control activation PWM to oil pump < 94% PWM (idle)

1 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

PWM of 0-100%

Open circuit

Check wiring. Repair if defective. If wiring is OK proceed to check component

none

0x2E9F

11935

Oil condition sensor

Engine Oil Quality Sensor

Temperature

Incorrect level measurement

30 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

10 sec.

none

Defective oil sensor (temperature sensor)

Sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

Engine must be between 900 RPM and 5000 RPM

0x2E9F

11935

Oil condition sensor

Engine Oil Quality Sensor

Level

Incorrect temperature measurement

30 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

10 sec.

none

Defective oil sensor (level sensor)

Sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

Engine must be between 900 RPM and 5000 RPM

0x2E9F

11935

Oil condition sensor

Engine Oil Quality Sensor

Permeability

Permittivity measurement defective

30 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

10 sec.

none

Defective oil sensor (permittivity sensor)

Sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

Engine must be between 900 rpm and 5000 rpm

0x30C4

12484

Engine-oil-pressure control, mechanical

No Info

none

0x30C4

12484

Engine-oil-pressure control, mechanical

No Info

none

0x30C5

12485

Engine-oil pump, mechanical: engine-oil pressure

No Info

Commercial vehicle >0 + Stored operating coordinate reached (depends on NKW+Tmot)

0.2

Terminal 15

none

>-10°C

none

Jump in specified pressure, specified pressure ramp

Analogous to oil pressure signal

Pump control plunger is seizing

Replace oil pump

Activation only in Prg. Version 500

0x30C6

12486

Engine-oil-pressure sensor, plausibility

No Info

NKW=0, Terminal 15, the barometric pressure sensor must not be malfunctioning

0.2

Terminal 15

none

Minimum deactivation time over Tmot

Jump in specified pressure, specified pressure ramp

Analogous to oil pressure signal

Pressure indicated by oil pressure sensor it too high

Replace oil pressure sensor

Implementation on at Prg. Version 500

0x30C6

12486

Engine-oil-pressure sensor, plausibility

No Info

NKW=0, Terminal 15, the barometric pressure sensor must not be malfunctioning

0.2

Terminal 15

none

Minimum deactivation time over Tmot

Jump in specified pressure, specified pressure ramp

Analogous to oil pressure signal

Pressure indicated by oil pressure sensor is too low

Replace oil pressure sensor

Implementation on at Prg. Version 500

0x2DC3

11715

Monitoring, terminal 15

No Info

none

0x2DC3

11715

Monitoring, terminal 15

No Info

none

0x2DC3

11715

Monitoring, terminal 15

No Info

none

0x2DC3

11715

Monitoring, terminal 15

No Info

none

0x2DEC

11756

Power management, battery

Powermanagement

Electrical

Deep discharge: Battery sensor data recognized under all conditions.

Deep discharge: 60 seconds below 9.52 V (debounced in SW)

none

Onboard electrical system voltage < 9.52 V

none

60 sec.

none

High energy consumption in parked vehicle leads to battery damage.

Conduct energy diagnosis: Check control modules for standby current faults. Check battery's suitability for use, recharge or replace as indicated.

No CC message

none

0x2DEC

11756

Power management, battery

Powermanagement

Electrical

is not now used

none

No CC message

none

0x2DEB

11755

Power management, vehicle electrical system

Powermanagement

Electrical

Overvoltage with engine running

Voltage in onboard electrical system > K_OSPGAPP (16 V) for 10 sec. (debounced in SW)

Terminal 15, engine on

Voltage in onboard electrical system > 16 V

none

10 sec.

none

Defective alternator

Perform alternator diagnosis.

No CC message

none

0x2DEB

11755

Power management, vehicle electrical system

Powermanagement

Electrical

Low voltage while engine is running

Vehicle electrical system voltage < K_USPGAPP (10.5 V) for 10 sec. (debounced in SW)

Terminal 15, engine on

Onboard electrical system voltage < 10.5 V

none

10 sec.

none

Defective alternator

Perform alternator diagnosis.

No CC message

none

0x2DEB

11755

Power management, vehicle electrical system

Powermanagement

Electrical

Operation without battery with engine running Voltage fluctuations caused by poor battery contacts

Vehicle electrical system voltage < K_USPGAPP (10.5V) for 10 sec. (debounced in SW)

Terminal 15, engine on

Substantial voltage fluctuations (10.5 V -14 V)

none

approximately 200 ms

none

Battery not correctly connected.

Check battery terminals

CC message 'Check battery connections'

none

0x2DED

11757

Power management, closed-circuit current violation

Powermanagement

Electrical

Standby current violation: Standby current draw exceeds approved level. Standby current is calculated only when ISD-BSD communications are not present - vehicle in sleep mode.

Vehicle in sleep mode

none

High energy draw when parked

Conduct energy diagnosis

CC message 'High battery discharge when parked'

none

0x2D5C

11612

DME, internal fault: monitoring, hardware

ECM Self-Test

AD-Converter

AD converter monitor. Comparison of two AD converter results

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

Replace DME

MIL OFF EML ON CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

AD converter monitor

0x2D1E

11550

Accelerator-pedal module, pedal-position sensor 2, voltage supply

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

220 ms

none

Short circuit to ground in voltage supply for Channel 2, defective voltage regulator, main relay activation lag

Check fault memory for problem with throttle valve and/or main relay, replace main relay as indicated
Check power-supply wire for short to ground (also measure in PWG)
Replace DME

CC status report: Reduced engine power! EML ON restricted PW gradient and PW limit via RPM

When relay is defective the fault appears together with throttle valve fault, the symptom being 'short circuit to ground', and fault in voltage supply to pedal-position sensor Channel 2.

0x2CFB

11515

Throttle-valve adaptation value

Throttle Actuator

Adaptation

at time of adaptation request

none

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > - 10°C or Coolant temperature < 142°C

80 ms after Terminal 15 ON

none

Violation of adaptation conditions prior to completion of adaptation routine: Terminal 15 off or Electr. system voltage < 10 V or RPM > 32 RPM or Speed > 2 km/h or Throttle valve fault or PWM throttle valve control fault

Check adaptation conditions, following confirmation proceed to terminal switch

CC status report: Reduction in engine performance!, MIL ON Throttle valve emergency default mode + speed governed to 1300 RPM

Adaptation condition monitor

0x2CFB

11515

Throttle-valve adaptation value

Throttle Actuator

Adaptation

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > -10°C or Coolant temperature < 142°C

none

Not possible to initialize for emergency air position: Contact resistance in plug-in connection, throttle valve has electrical problem or mechanical seizure.

Check: Sum of throttle valve voltages must equal 5 V
Perform electrical check on wires to throttle valve sensors, Visual inspection of plug-in terminals (on components, wiring harness and DME)
Component defect improbable, replace throttle valve only in emergency

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Emergency air position adaptation monitor

0x2CFC

11516

Throttle valve, start check

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > - 10°C or Coolant temperature < 142°C

none

System fails spring test: Problem with voltage supply, Throttle valve is physically seizing or throttle valve motor is defective.

Check engine-management fuses (5-fuse holder in E-Box)
Perform electrical check on wiring to throttle valve sensors and throttle valve motor
Visual inspection of plug-in terminals (at components, wiring harness and DME)
Replace component

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Spring test, actually test to determine whether throttle valve is seizing

0x2CFE

11518

Throttle valve, continuous adaptation

Throttle Actuator

Adaptation

none

0x2CEF

11503

Throttle-valve actuator, activation

Throttle Actuator

Power Stage

none

0x2CEE

11502

Throttle-valve actuator, sluggish movement

Throttle Actuator

Position Control

Throttle valve test. Engine must be running. Throttle valve adaptation must not be in progress. Throttle valve actuator must be under current. No emergency default mode operation.

less than 1 sec.

Terminal 15 ON

none

Problem with voltage supply, Mechanical binding in throttle valve assembly

Check engine-management fuses (5-position fuse box in E-module)
Visual examination of contacts on throttle valve plug
Check throttle valve for binding and replace component as indicated

CC status report: WAL_1, reduced engine power!, MIL None activation control via lv_err_tps_obd, operation in emergency default mode if trigger point reached otherwise EMB + engine speed governed to 1300 RPM

Control deviation TPS_SP to TPS_AV for longer than 1s in excess of 10°TPS

0x2CEC

11500

Throttle-valve actuator, jamming briefly

Throttle Actuator

Throttle Stuck

Throttle valve test. Engine must be running. Throttle valve adaptation must not be in progress. Throttle valve actuator must be under current. No emergency default mode operation

0.5 sec.

Terminal 15 ON

none

Problem with voltage supply, throttle valve physically seized

none

Pulse-duty factor for control activation of throttle valve motor at least 0.5 sec, but less than 1 sec. over 99%

0x2CED

11501

Throttle-valve actuator, jamming continuously

Throttle Actuator

Throttle Stuck

Throttle valve test. Engine must be running. Throttle valve adaptation must not be in progress. Throttle valve actuator must be under current. No emergency default mode operation

1 sec.

Terminal 15 ON

none

Problem with voltage supply, throttle valve physically seized

Check engine-management fuses (5-fuse holder in E module)
Visual inspection of throttle valve plug contacts and electrical check on throttle valve motor wires
Check throttle valve for binding and replace component as indicated

Pulse-duty factor for control of throttle valve motor exceeds 1s over 99%

0x2CFB

11515

Throttle-valve adaptation value

Throttle Actuator

Adaptation

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > - 10°C or Coolant temperature < 142°C

none

System unable to initialize for lower mechanical travel stop position: Contact resistance in plug-in connection. Throttle valve is contaminated, has electrical problem or mechanical seizure

Check: Sum of throttle valve voltages must equal 5 V
Perform electrical check on wires to throttle valve sensors, visual inspection of plug-in terminals (at components, wiring harness and DME)
Check to determine whether objects that could physically prevent the throttle valve from closing are present in the intake manifold or throttle valve
Replace component

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Lower mechanical travel stop monitor

0x2D1D

11549

Accelerator-pedal module, pedal-position sensor 1, voltage supply

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

220 ms

none

Short circuit to ground in voltage supply for Channel 1, defective voltage regulator, main relay activation lag

Check fault memory for problem with throttle valve and/or main relay, replace main relay as indicated
Check power-supply wire for short to ground (also measure in PWG)
Replace DME

CC status report: Reduced engine power! EML ON restricted PW gradient and PW limit via RPM

ATTENTION: This fault can produce throttle valve fault and HFM fault with the symptom 'short to ground' as collateral fault. When relay is defective this fault appears together with throttle valve fault, the symptom being 'short circuit to ground', and fault in voltage supply to pedal-position sensor Channel 2.

0x2F4A

12106

Interface EWS-DME

No Info

EWS code request

Terminal 15 on without running engine

none

CAS bus telegram

Signal interference on D_EWS wire.

Problem diagnosis on wire, then DME/DDE problem diagnosis.

none

0x2F4A

12106

Interface EWS-DME

No Info

EWS code request

Terminal 15 on without running engine

none

CAS bus telegram

Telegram structure not as expected

Continue problem diagnosis with CAS

none

0x2F4B

12107

DME, internal fault: immobilizer data

No Info

Calibration procedure

Terminal 15

none

Storage for EWS calibration not available

Replace DME

none

0x2F4B

12107

DME, internal fault: immobilizer data

No Info

Calibration procedure

Terminal 15

none

Enable code storage defective

Replace DME

none

0x2F4B

12107

DME, internal fault: immobilizer data

No Info

Terminal 15

none

Fault in checksum for EWS data content

Replace DME, if fault occurs repeatedly

none

0x2CA6

11430

Oxygen sensor heating before catalytic converter, function

Oxygen Sensor, Front

ECM Self-Test

Internal control-module fault, attempt to determine O2 sensor temperature failed. No fault memories.

Processor chip monitor, no valid temperature for more than 5 sec.

Terminal 15, engine on

none

Roughly 40 sec. after engine start; after approximately 15 sec. in standard operation.

none

Invalid sensor temperature. Defective processing chip in control module.

Replace DME

none

0x2F4A

12106

Interface EWS-DME

No Info

EWS code request

Terminal 15 on without running engine

none

CAS bus telegram

Telegram structure not as expected

Continue problem diagnosis with CAS

none

0x2F4A

12106

Interface EWS-DME

No Info

EWS code request

Terminal 15 on without running engine

none

CAS bus telegram

Wiring harness defect in wire D_EWS; CAS defect; DME/DDE defect

Check D_EWS wire

none

0x2F49

12105

EWS preventing manipulation

No Info

none

Terminal 15

none

No start value yet programmed.

Program start value

none

Start data can only be programmed at the factory

0x2F49

12105

EWS preventing manipulation

No Info

none

Terminal 15

none

Content of telegram transmitted by CAS is not as expected

Replace CAS/EWS and DME/DDE

none

New control modules can only be calibrated at the factory; the control modules were mutually switched.

0x2F4B

12107

DME, internal fault: immobilizer data

No Info

Terminal 15

none

Secret Key storage defective

Replace DME, if fault occurs repeatedly

none

0x2D50

11600

DME, internal fault: monitoring, cruise control

No Info

Control module monitoring. Throttle valve not without current, LDM initialized. Interface fails to detect implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault.

Check CAN, LDM control module If frequency is >=3. Replace DME

MIL OFF EML OFF CC: Vehicle speed control. Vehicle speed controller is rejected.

LDM torque demand monitor

0x2DC0

11712

No message from LDM

No Info

LDM recognized

none

Terminal 15 ON

none

500 ms

none

LDM fails to deactivate despite pressure on brake pedal

Check LDM and brakelight switch/wiring

none

Breakpoint: Program version '600'

0x2DC0

11712

No message from LDM

No Info

LDM recognized

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

80 ms

none

LDM transmits implausible request

Check LDM and replace as indicated

none

Breakpoint: Program version '600'

0x2CA7

11431

Oxygen sensor heating before catalytic converter 2, function

Oxygen Sensor, Front

ECM Self-Test

Internal control-module fault, attempt to determine O2 sensor temperature failed. No fault memories

Processor chip monitor, no valid temperature for more than 5 sec.

Terminal 15, engine on

none

Roughly 40 sec. after engine start; after approximately 15 sec. in standard operation

none

Invalid sensor temperature. Defective processing chip in control module

Replace DME

none

0x2CFD

11517

No throttle-valve adaptation value

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > -10°C or Coolant temperature < 142°C

none

Not possible to initialize for emergency air position: Contact resistance in plug-in connection, throttle valve has electrical problem or mechanical seizure.

Note collateral issues related to initial adaptation
Check: The sum of throttle valve voltages must equal 5 V
Perform electrical check on wiring to throttle valve sensors and throttle valve motor, visual inspection of plug-in contacts (at component, wiring harness and DME)
Replace component

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Not possible to initialize for emergency air position, leading to demand for basic adaptation

0x2CFB

11515

Throttle-valve adaptation value

Throttle Actuator

Spring Test

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > -10°C or Coolant temperature < 142°C

none

Emergency air position outside tolerance range or spring test failed: Problem with voltage supply. Contact resistance in plug-in connection. Throttle valve is physically seizing or electrical problem.

Check engine-management fuses (5-fuse holder in EBOX)
Check: The sum of throttle valve voltages must equal 5 V
Perform electrical check on wiring to throttle valve sensors and throttle valve motor
Visual inspection of plug-in contacts (at component, wiring harness and DME)
Replace component

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Spring test and check on emergency air position

0x2CFC

11516

Throttle valve, start check

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

Intake air temperature > -10°C or Coolant temperature > - 10°C or Coolant temperature < 142°C

none

Emergency air position outside approved tolerance range: Contact resistance in plug connector, throttle valve with electrical problem or seizing mechanically.

Check: Sum of throttle valve voltages must equal 5 V
Perform electrical check on wires to throttle valve sensors
Visual inspection of plug-in terminals (at components, wiring harness and DME)
Component defect is unlikely, replace throttle valve only in an emergency

CC status report: Reduced engine performance!, MIL ON EMB + RPM limit 1300 RPM

Check emergency air position

0x2AB3

10931

DME, internal fault: checksum

ECM/TCM

Checksum

Monitoring of boot software. After system start with ignition on

No debounce. Fault can be reset by clearing fault memory. However, a successful diagnostic cycle must be completed before the fault can be deleted. This can take several minutes.

Terminal 15 ON

none

Fault in boot software (program code). Incorrect program version flash-programmed.

Flash program correct program version.

none

Engine operation no longer possible

0x2AB3

10931

DME, internal fault: checksum

ECM/TCM

Checksum

Application software program monitor (development only)

none

Fault in application software (program code). Incorrect program version flash-programmed.

Flash program correct program version.

none

Engine operation no longer possible

0x2AB3

10931

DME, internal fault: checksum

ECM/TCM

Checksum

Application software data monitor (development only)

none

Fault in application data (data file) The wrong data version has been flash-programmed

Flash program correct software revision.

none

Engine operation no longer possible

0x2AB4

10932

DME, internal fault: RAM checksum

ECM/TCM

NVMY

RAM checksum test. This test is executed once, while the control module is booting.

No debounce. Fault can be reset by clearing fault memory.

Immediately after wakeup in dormant control module.

none

Defective data sector in DME's internal EEPROM. Poor or loose ground connections for the ignition coils.

Start by checking ground connections on the ignition coils. If these are OK, proceed with the following steps. Check to determine whether the diagnostic fault code is stored again after proceeding through the following routine. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to assume complete dormant status
Ignition on
Read out stored fault codes from fault memory

none

Possible loss of adaptation data. The following procedure can be used to reprogram the adaptation data

Delete all adaptation data
Ignition off and then on
Brief drive. Adaptation data are reprogrammed automatically.

0x2AB5

10933

DME, internal fault: knock-sensor module

ECM

Knock Sensor

Monitoring of knock sensor chip Engine speed >320 rpm

Yes, by event counter. Fault must occur ten times before a fault memory entry is made.

Terminal 15, engine on

none

Interference at internal DME data bus (SPI_BUS) for processing chip for the knock sensors.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to assume complete dormant status
Ignition on
Read out stored fault codes from fault memory

none

No warning message. No closed-loop knock control available. Performance loss as engine reverts to operation in safe range.

0x2AB6

10934

DME, internal fault: multiple output-stage module

ECM

Multiple Output Stage

Driver circuit monitor

Yes, by event counter. Fault must occur ten times before a fault memory entry is made.

Terminal 15 ON

none

Interference at internal DME data bus (SPI_BUS) for activation of driver circuits.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to assume complete dormant status
Ignition on
Read out stored fault codes from fault memory

No warning message. No control activation possible from some DME output terminals.

none

0x2D50

11600

DME, internal fault: monitoring, cruise control

No Info

Control module monitoring. Throttle valve not without current; Failure to comply with activation conditions for internal vehicle speed controller

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Malfunction symptoms: No deactivation possible; Speed too low, brake activation, main switch operation

Check speed signal, brake light switch, main cruise control switch. If frequency is >=3 Replace DME

MIL OFF EML OFF CC: Vehicle speed control Vehicle speed controller is rejected

Internal cruise control monitor

0x2D51

11601

Monitoring, air path

ECM Self-Test

HFM

Control module monitoring. Throttle valve not without current; Air mass is implausible relative to injected fuel volume

4 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

4 sec.

none

HFM fault or fuel path fault not detected by diagnosis utility, internal control-module fault.

Check air and fuel path. If frequency is > 3 Replace DME.

MIL OFF EML ON CC: Reduced power, engine malfunction RPM limited to 1300 RPM.

Mass airflow monitor

0x2D51

11601

Monitoring, air path

ECM Self-Test

Throttle Valve

Control module monitoring. Throttle valve is not without current; Throttle valve sensor fault not detected by standard diagnosis.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Throttle valve sensor fault not detected by diagnosis, internal control-module fault.

Check throttle-valve potentiometer. At frequency > 3. Replace DME.

MIL OFF. EML ON. CC: Reduced power, engine malfunction RPM limited to 1300 RPM.

TPS sensor monitor

0x2D52

11602

DME, internal fault: monitoring, engine speed

ECM Self-Test

RPM

Control module monitor. Modeled RPM from segment time is compared with crankshaft RPM.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3. Replace DME.

MIL OFF. EML ON. CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

RPM monitor

0x2D55

11605

DME, internal fault: monitoring, accelerator-pedal module

ECM Self-Test

Pedal Position Sensor

Control module monitor Comparison PWG sensor voltage above threshold

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

PWG fault not detected by diagnosis, internal control-module fault

If frequency >=3, Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Accelerator pedal module monitor

0x2D56

11606

DME, internal fault: monitoring, idle air control

ECM Self-Test

Idle Speed Control

Control module monitor. Throttle valve not without current. With I component LL controller implausible or specified LL RPM is too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 RPM.

Idle controller I element monitor

0x2D56

11606

DME, internal fault: monitoring, idle air control

ECM Self-Test

Idle Speed Control

Control module monitor. Throttle valve not without current With PD component LL controller implausible or specified LL RPM is too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Idle controller PD element monitor

0x2D57

11607

DME, internal fault: monitoring, external torque request

No Info

Control module monitor. Throttle valve not without current. Interface fails to detect implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault.

Check CAN, MSR control module If frequency is >= 3, Replace DME.

MIL OFF, EML OFF, CC: ??? DSC cancelled.

MSR demand monitor

0x2D50

11600

DME, internal fault: monitoring, cruise control

No Info

Control module monitoring. Throttle valve not without current ACC/DCC initialized; Interface fails to detect implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, ACC/DCC control module. If frequency is >=3 Replace DME

MIL OFF, EML OFF, CC: Vehicle speed control. Vehicle speed controller is rejected.

ACC/DCC torque demand monitor

0x2D57

11607

DME, internal fault: monitoring, external torque request

No Info

Control module monitor Interface fails to detect implausible torque demand

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault.

Check CAN, SMG control module. If frequency is >= 3 Replace DME.

MIL OFF EML OFF CC: ??? SMG cancelled.

SMG demand monitor

0x2D57

11607

DME, internal fault: monitoring, external torque request

No Info

Control module monitor. Interface fails to detect implausible torque demand

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, EGS control module If frequency is >=3 Replace DME.

MIL OFF EML OFF CC: ??? EGS cancelled.

EGS demand monitor

0x2D58

11608

DME, internal fault: monitoring, nominal torque

ECM Self-Test

Clutch Torque

Control module monitor. Throttle valve not without current. Calculated maximum clutch torque too high

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Maximum clutch torque monitor

0x2D58

11608

DME, internal fault: monitoring, nominal torque

ECM Self-Test

Clutch Torque

Control module monitor. Throttle valve not without current. Calculated minimum clutch torque too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Minimum clutch torque monitor

0x2D58

11608

DME, internal fault: monitoring, nominal torque

ECM Self-Test

Torque Loss

Control module monitor. Throttle valve not without current. Calculation fault, calculated torque loss too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault, implausible thermal conditions.

Check temperature sensors (oil/coolant). If frequency is >=3 Replace DME.

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Torque loss monitor

0x2D58

11608

DME, internal fault: monitoring, nominal torque

ECM Self-Test

Driving Dynamics

Always SPORT switch monitor. Sport switch voltages are not plausible and not detected by diagnosis utility.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Reduced power, engine malfunction RPM limited to 1300 rpm

Sport button monitor

0x2D59

11609

DME, internal fault: monitoring, actual torque

ECM Self-Test

Engine Torque

Throttle valve not without current. Driver torque demand is being exceeded.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault, major variation between specified and actual mass airflow

Check mass airflow system (vacuum leaks, VVT, VANOS, throttle valve...). If frequency is >=3 Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction RPM limited to 1300 rpm.

Current induced engine torque monitor

0x2D5A

11610

Monitoring engine torque limiting

No Info

No interruption of current to throttle valve

Driver torque demand is exceeded => Torque limitation; fault entry after 7s

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

7 sec.

none

Internal control-module fault, major variation between specified and actual mass airflow

Check mass airflow system (HFM, vacuum leak, VVT, VANOS, throttle valve...)

MIL OFF, EML OFF, Brief torque restriction.

Limit on current induced engine torque

0x2D53

11603

DME, internal fault: monitoring, engine speed limitation

ECM Self-Test

RPM Limitation

Control module monitor. Currently defined RPM limit is exceeded and injection is still active.

480 ms

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

480 ms

none

Internal control-module fault

Replace DME

MIL OFF, EML ON, CC: Reduced power, engine malfunction Reset, RPM limited to 1300 RPM.

RPM governor monitor

0x2ACC

10956

DME master relay, shift delay

ECM/PCM Power Relay

Switching Delay

none

0x2E81

11905

Electrical coolant pump, speed deviation

No Info

Comparison of specified/actual RPM. No BSD fault.

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

Engine temperature above 20°C

8 sec.

none

Wiring
Binding

Problem diagnosis with wiring check
Plug corrosion
EWP component fault

CC status report: none EWP fails to reach specified rotation rate

none

0x2E82

11906

Electric coolant pump, cutoff

No Info

Comparison of specified/actual RPM. No BSD fault

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

EWP component fault

CC status report: none EWP not operating. Heat management initiates emergency cooling action

none

0x2E83

11907

Electric coolant pump, power-reduced operation

No Info

Comparison of specified/actual RPM. No BSD fault

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

Air in system

Bleed cooling system/leak check

CC status report: None Limit on EWP rotation rate

none

0x2E82

11906

Electric coolant pump, cutoff

No Info

Comparison of specified/actual RPM. No BSD fault

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

Jump start with truck battery

Clear fault memory or, if fault is permanent, replace EWP components without jump starting.

CC status report. No EWP inoperative during power supply. Heat management initiates emergency cooling action.

none

0x2E83

11907

Electric coolant pump, power-reduced operation

No Info

Comparison of specified/actual RPM. No BSD fault

10 sec.

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

10 sec.

none

Wiring
Battery charge status

Charge battery
Problem diagnosis with wiring check
Plug corrosion
Component fault in EWP

CC status report: none. EWP fails to reach specified rotation rate.

none

0x2E83

11907

Electric coolant pump, power-reduced operation

No Info

Comparison of specified/actual RPM. No BSD fault

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

EWP component fault

CC status report: None Limit on EWP rotation rate

none

0x2E85

11909

Electric coolant pump, communication

No Info

Compare EWP status report with main relay activation. No BSD fault.

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

Terminal 87 to EWP shorted to positive or ground, or open

Problem diagnosis wiring check

CC status report: none. EWP runs based on BSD request.

none

0x2E7C

11900

Bit-serial data interface, signal

No Info

BSD bus monitor

Via event counter. Total failure between BSD bus and all components (water pump, oil sensor, alternator, battery sensor over approximately 3 sec.

Terminal 15 ON

Terminal 87 >10.0 V

none

approximately 3 sec.

none

Short circuit on the BSD_BUS. Either to ground or positive, rendering communications impossible. Or no BSD_components connected to the DME.

Disconnect all BSD_components (alternator, battery sensor, water pump) except for the oil sensor. Clear fault memory. Ignition off/on. If fault code is stored again: QLT is defective and must be replaced. Repeat test.
If fault code is entered again after QLT replacement: -> Check wiring harness (BSD_BUS) and all plug-in connections for corrosion and shorts to ground/UBatt.
If fault code no longer appears after QLT replacement: -> QLT was defective.
If no fault code is stored after all components (except QLT, as in 1.) are disconnected: -> The fault lies with one of the

No oil level display/no oil temperature display available. Service interval calculations for next visit are based on model. Water pump runs at 100% cooling capacity and draws continuous current of approximately 15A. Power management fails to operate correctly because it is not possible to read battery sensor.

ATTENTION: Simply switching the ignition on/off is enough for problem diagnosis. Because the water pump may not be connected, and the engine could overheat, you should avoid starting the engine. Fault status can be reset by clearing fault memory.

0x2E82

11906

Electric coolant pump, cutoff

No Info

Comparison of specified/actual rpm. No BSD fault.

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

Contamination, Binding, Incorrect coolant mixture ratio.

Respond to intermittent fault by triggering actuators for operational test and by checking concentration of coolant. Permanent fault indicates foreign objects or EWP component fault.

CC status report none EWP briefly/continuously without function. Heat management initiates emergency cooling strategy.

none

0x2E83

11907

Electric coolant pump, power-reduced operation

No Info

Comparison of specified/actual RPM. No BSD fault.

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

10 sec.

none

EWP component fault

CC status report: None. Limit on EWP rotation rate.

none

0x2E84

11908

Electric coolant pump, communication

No Info

none

0x2DE0

11744

No message from electric fuel pump

No Info

EKP recognized

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

40 sec.

none

Unable to receive CAN message.

Check CAN link between EKP and DME

none

Timeout on CAN message

0x2DE1

11745

Tank fill level, left, signal

Fuel Level Sensor

Electrical

Left-side level sensor shorted, sensor resistance too low.

90 sec.

Terminal 15, engine on

none

Sensor value too low

Check sensor resistance, determine location of open wire/short circuit (wiring harness, plug, cluster, junction box, tank)

none

0x2DE1

11745

Tank fill level, left, signal

Fuel Level Sensor

Electrical

Open circuit in wire to left-side level sensor, sensor resistance too high.

90 sec.

Terminal 15, engine on

none

Sensor value too high

Check sensor resistance, determine location of open wire/short circuit (wiring harness, plug, cluster, junction box, tank)

none

0x2A80

10880

Intake VANOS, activation

Camshaft Position Actuator

Intake

Monitoring of VANOS control Engine. speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Short circuit to ground in wire or component.

Check wiring, repair if defective. If wiring is OK, proceed to check component.

MIL ON

none

0x2A80

10880

Intake VANOS, activation

Camshaft Position Actuator

Intake

Monitoring of VANOS control, Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Wire is shorted to positive, or a short to positive is present in the component.

Check wiring. Repair if defective. If wiring is OK, proceed to check component

MIL ON

none

0x2A85

10885

Exhaust VANOS, activation

Camshaft Position Actuator

Exhaust

Monitoring of VANOS control. Engine speed > 500 rpm.

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Short circuit to ground in wire or component.

Check wiring. Repair if defective. If wiring is OK, proceed to check component.

MIL ON

none

0x2A85

10885

Exhaust VANOS, activation

Camshaft Position Actuator

Exhaust

Monitoring of VANOS control Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

0.5 sec.

none

Wire is shorted to positive, or a short to positive is present in the component.

Check wiring. Repair if defective. If wiring is OK proceed to check component.

MIL ON

none

0x2C31

11313

Oxygen sensor before catalytic converter, trim control

Fuel System

Post Catalyst

O2 sensor trim control. No fault memories. Drive at 50 - 80 km/h and at moderate engine speed..

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1 - 2 h steady-state operation; otherwise #11390 may occur

none

Defective wiring. Exhaust system leak. Pre-cat or downstream (post-cat) O2 sensor defective.

This malfunction automatically triggers an active test (collateral fault stored in the control module's fault memory!).

Read out results of active test (are other faults still stored in the control module's fault memory)? => Then continue at this point!)
Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wiring or plugs as indicated
Check exhaust system forward of downstream (post-cat) O2 sensor for leaks
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2C31

11313

Oxygen sensor before catalytic converter, trim control

Fuel System

Post Catalyst

O2 sensor trim control. No fault memories. Drive at 50 - 80 km/h and at moderate engine speed.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1 - 2 h steady-state operation; otherwise #11390 may occur

none

Drift in upsteam (pre-cat) O2 sensor - Fault in wiring to downstream (post-cat) O2 sensor - Leakage in exhaust system - Defective pre-cat or downstream (post-cat) O2 sensor

This malfunction automatically triggers an active test (collateral fault stored in the control module's fault memory!).

Read out results of active test (are other faults still stored in the control module's fault memory)? => Then continue at this point!)
Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wiring or plugs as indicated
Check exhaust system forward of downstream (post-cat) O2 sensor for leaks
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2C32

11314

Oxygen sensor before catalytic converter 2, trim control

Fuel System

Post Catalyst

O2 sensor trim control No fault memories Drive at 50 - 80 km/h and at moderate engine speed.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1 - 2 h steady-state operation; otherwise #11391 may occur

none

Defective wiring. Exhaust system leak. Pre-cat or downstream (post-cat) O2 sensor defective.

This malfunction automatically triggers an active test (collateral fault stored in the control module's fault memory!).

Read out results of active test (are other faults still stored in the control module's fault memory)? => Then continue at this point!)
Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wiring or plugs as indicated
Check exhaust system forward of downstream (post-cat) O2 sensor for leaks
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2C32

11314

Oxygen sensor before catalytic converter 2, trim control

Fuel System

Post Catalyst

O2 sensor trim control. No fault memories. Drive at 50 - 80 km/h and at moderate engine speed.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1 - 2 h steady-state operation; otherwise #11391 may occur

none

Defective wiring. Exhaust system leak. Pre-cat or downstream (post-cat) O2 sensor defective.

This malfunction automatically triggers an active test (collateral fault stored in the control module's fault memory!).

Read out results of active test (are other faults still stored in the control module's fault memory)? => Then continue at this point!)
Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wiring or plugs as indicated
Check exhaust system forward of downstream (post-cat) O2 sensor for leaks
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2D1F

11551

Accelerator-pedal module, pedal-position sensor potentiometer, signal

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

220 ms

none

Dual fault in pedal-position sensor

Read out the two root faults from the control module's fault memory
Process using prescribed test plan
Check main relay and overall vehicle electrical system voltage supply
Replace DME

CC status report: Reduced engine power! EML ON, MIL ON, PW = 0, fast idle when brake pedal is not depressed.

Pedal reading 0, slightly high idle if brake pedal is not depressed

0x2D1B

11547

Accelerator pedal module, pedal-position sensor, signal 1

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor. No fault code currently registered.

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

240 ms

none

Sensor wire shorted to ground or open circuit in wire

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace PWG

CC status report: ??? EML ON, restricted PW gradient, and PW limit via rpm.

Voltage range diagnosis

0x2D1B

11547

Accelerator pedal module, pedal-position sensor, signal 1

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor. No fault code currently registered

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system > = 10 V

none

240 ms

none

Sensor wire shorted to positive

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace PWG

CC status report: Reduced engine power! EML ON restricted PW gradient and PW limit via rpm

Voltage range diagnosis

0x2D1C

11548

Accelerator pedal module, pedal-position sensor, signal 2

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor. No fault code currently registered.

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system > = 10 V

none

240 ms

none

Sensor wire shorted to ground or open circuit in wire.

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace PWG

CC status report: Reduced engine power! EML ON restricted PW gradient and PW limit via rpm.

Voltage range diagnosis

0x2D1C

11548

Accelerator pedal module, pedal-position sensor, signal 2

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor. No fault code currently registered

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

240 ms

none

Sensor wire shorted to positive

Perform electrical check on sensor wire and power-supply wires.
Visual inspection of plug-in contacts (on component and DME ends).
Replace PWG.

CC status report: Reduced engine power! EML ON, restricted PW gradient, and PW limit via RPM.

Voltage range diagnosis

0x2D20

11552

Accelerator-pedal module, pedal-position sensor, plausibility between signal 1 and signal 2

Pedal Position Sensor

D/E Correlation

Pedal-position sensor monitor

0.02 sec.

Terminal 15 ON

Voltage in onboard electrical system >= 10 V

none

340 ms

none

Contact resistance in wiring or plug-in connections for PWG, electrical PWG problem (defective Hall-effect sensor).

Check: Pedal-position sensor voltages [Pot voltage 2 = (Pot voltage1)/2]
Check wires from DME to PWG
Visual inspection of plug terminals (on components, wiring harness and DME)
Replace PWG

CC status report: Reduced engine power! EML ON restricted PW gradient and PW limit via rpm.

Implausible spread between the two PWG voltages.

0x2AAD

10925

Fuel pump, emergency shutoff

Fuel Regulators/Valves/Sensors

Fuel Pump

none

0x2EEC

12012

Temperature sensor cooler outlet, plausibility

Engine Coolant Temperature Sensor

2 Plausibility

Engine must be running

no invariable debounce time, constant sensor data reading during engine warm-up produces entry

Terminal 15 ON

11 V < electrical system voltage < 26 V

10°C < Coolant temperature at engine start < 65°C, -10°C < Induction air temperature at engine start < 69°C

600 ms

none

Temperature sensor seizing, sensor manipulation

Visual inspection of sensor
Perform electrical check on sensor and power-supply wires 2) Test to determine whether the temperature really changes when the thermostat opens
Replace sensor

MIL ON in US versions only

temperature condition defined by data entry

0x2EEA

12010

Temperature sensor cooler outlet, signal

Engine Coolant Temperature Sensor

2 Electrical

Radiator discharge temperature signal monitor

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9.15 V

none

5 sec.

none

Short to ground in sensor wire

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace sensor

MIL ON in US versions only

Voltage range diagnosis

0x2EEA

12010

Temperature sensor cooler outlet, signal

Engine Coolant Temperature Sensor

2 Electrical

Radiator discharge temperature signal monitor

No compliance with temperature condition and time after end of start > 120 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9.15 V

Intake air temperature >= -5.25°C OR if less than -5.25°C, then time after end of start phase > 120 sec.

No compliance with temperature condition and time after end of start >120 sec.

none

Sensor wire shorted to positive or open circuit in wire

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace sensor

MIL ON in US versions only

Voltage range diagnosis

0x2C27

11303

Oxygen sensor before catalytic converter, system check

Oxygen Sensor, Front

Signal Check

After trim control fault; sensor indicates more than 18% too lean

Terminal 15, engine on

none

Approximately 300s after trim control fault

none

Sensor contamination, hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor.

MIL ON

none

0x2C2B

11307

Oxygen sensor before catalytic converter, system check

Oxygen Sensor, Front

Signal Check

After trim control fault; sensor indicates more than 18% too rich

Terminal 15, engine on

none

Approximately 300s after trim control fault

none

Hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C28

11304

Oxygen sensor before catalytic converter 2, system check

Oxygen Sensor, Front

Signal Check

After trim control fault; sensor indicates more than 18% too lean.

Terminal 15, engine on

none

Approximately 300s after trim control fault

none

Sensor contamination, hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C2C

11308

Oxygen sensor before catalytic converter 2, system check

Oxygen Sensor, Front

Signal Check

Oxygen sensor before catalytic converter 2, system check End of start phase O2 sensor drifts toward rich

After trim control fault; sensor indicates more than 18% too rich

Terminal 15, engine on

none

Approximately 300s after trim control fault

none

Hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2F76

12150

Ambient-pressure sensor, signal

Ambient Pressure Sensor

Electrical

Ambient pressure sensor signal monitor

0.5 sec.

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

500 ms

none

Short-circuit with respect to ground

Replace DME; this is an internal component

MIL on

none

0x2F76

12150

Ambient-pressure sensor, signal

Ambient Pressure Sensor

Electrical

Ambient pressure sensor signal monitor

0.5 sec.

Terminal 15, engine on

Voltage in onboard electrical system > 10 V

none

500 ms

none

Short to positive or open circuit

Replace DME; this is an internal component

MIL on

none

0x2C3D

11325

Oxygen sensor before catalytic converter, line fault

Oxygen Sensor, Front

Reference Voltage

O2 sensor wiring monitor (heater) O2 sensor temperature is too low and the sensor signal is implausible No fault memories

Sensor temperature < 680°C and sensor voltage < 0.2 V with oscillator deactivated

Terminal 15, engine on

none

Engine at operating temperature

approximately 15 sec.

none

Sensor not active - Open UN wire

Visual inspection of wires, DME plug and O2 sensor for damage
Inspect wires
Check plug-in connections DME <=> Wiring harness <=> Upstream (pre-cat) O2 sensor for Bank 1 (water or corrosion in plug?) => Repeatedly disconnect the plug and then FIRMLY press it back in)
Replace O2 sensor
Replace DME

MIL ON

none

0x2C3E

11326

Oxygen sensor before catalytic converter 2, line fault

Oxygen Sensor, Front

Reference Voltage

O2 sensor wiring monitor O2 sensor signal freezes. No fault memories - Drive at 50 - 80 km/h at moderate engine speed

Voltage seizes at 2 V (Lambda = 1) OR voltage < 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine at operating temperature

approximately 9s with overrun injection deactivation active

O2 sensors reversed

none

Sensor inactive Wire VG or IP is open Catalyst is plugged (rich exhaust at O2 sensor in overrun cut-off); oil or gasoline in the exhaust gases during operation in overrun cut-off phase

Visual inspection of wires, DME plug and O2 sensor for damage
Inspect wires
Check plug-in connections DME <=> Wiring harness <=> Upstream (pre-cat) O2 sensor for Bank 1 (water or corrosion in plug?) => Repeatedly remove the plug and then reconnect it FIRMLY)
Check catalytic converter (is FSD lean fault entered for the other bank?)
Piston rings, injectors, positive crankcase ventilation OK? FSD fault? Then continue there!
Replace O2 sensor
Replace DME

MIL ON

none

0x2C6B

11371

Oxygen sensor behind catalytic converter, system check

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too high = Signal sticks at rich Trim controller diagnosis must have been executed, see Trim controller diagnosis. Detection of malfunctions during the trim control diagnosis triggers the active test. Engine running at idle is adequate for the active test

O2 sensor behind catalytic converter voltage > 0.7 V with lean O2 data specification in active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion of trim control diagnosis

O2 sensors reversed

none

Downstream (post-cat) O2 sensor aged or downstream (post-cat) O2 sensor poisoned or downstream (post-cat) O2 sensor wire defective, pegging trim controller -> Trim controller diagnosis entry -> Activation of active test, entry of fault code #11371

This malfunction is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the control module's fault memory!)

Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wires or plugs as indicated
Check exhaust system upstream from downstream (post-cat) O2 sensor for leaks
Replace downstream (post-cat) O2 sensor
Replace upstream (pre-cat) O2 sensor

none

0x2C6B

11371

Oxygen sensor behind catalytic converter, system check

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too low = Signal sticks on lean Trim controller diagnosis must have been executed, see Trim controller diagnosis. Detection of faults during the trim control diagnosis triggers the active test. Engine running at idle is adequate for the active test.

O2 sensor behind catalytic converter voltage < 0.2 V with rich data specification for active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion of trim control diagnosis

O2 sensors reversed

none

Downstream (post-cat) O2 sensor aged or downstream (post-cat) O2 sensor poisoned or downstream (post-cat) O2 sensor wire defective or exhaust system forward of downstream (post-cat) O2 sensor is leaking, pegging trim controller -> Trim controller diagnosis entry -> Activation of active test, entry of fault code #11371

This malfunction is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the control module's fault memory!)

Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wires or plugs as indicated
Check exhaust system upstream from downstream (post-cat) O2 sensor for leaks
Replace downstream (post-cat) O2 sensor
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2C6C

11372

Oxygen sensor behind catalytic converter 2, system check

Oxygen Sensor, Rear

Signal Check

O2 sensor behind catalytic converter voltage > 0.7 V with lean O2 data specification in active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300s following completion of trim control diagnosis

O2 sensors reversed

none

Downstream (post-cat) O2 sensor aged or downstream (post-cat) O2 sensor poisoned or downstream (post-cat) O2 sensor wire defective, pegging trim controller at limit -> Trim controller diagnosis entry -> Activation of active test, entry of fault code #11372

This malfunction is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the control module's fault memory!)

Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wires or plugs as indicated
Check exhaust system upstream from downstream (post-cat) O2 sensor for leaks
Replace downstream (post-cat) O2 sensor
Replace upstream (pre-cat) O2 sensor

none

0x2C6C

11372

Oxygen sensor behind catalytic converter 2, system check

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too low = Signal sticks on lean - Trim controller diagnosis must have been executed, see Trim controller diagnosis. Detection of faults during the trim control diagnosis triggers the active test. Engine running at idle is adequate for the active test

O2 sensor behind catalytic converter voltage < 0.2 V with rich data specification for active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300s following completion of trim control diagnosis

O2 sensors reversed

none

Downstream (post-cat) O2 sensor aged or downstream (post-cat) O2 sensor poisoned or downstream (post-cat) O2 sensor wire defective or exhaust system forward of cat-back O2 sensor is leaking, pegging trim controller -> Trim controller diagnosis entry -> Activation of active test, entry of fault code #11372

This malfunction is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the control module's fault memory!)

Initiate system test for reversed O2 sensors. Follow instructions for system test.
If the system test fails to produce a result then
Visual inspection of wiring and plugs
Electrical check of wiring
Replace wires or plugs as indicated
Check exhaust system upstream from downstream (post-cat) O2 sensor for leaks
Replace downstream (post-cat) O2 sensor
Replace upstream (pre-cat) O2 sensor

MIL ON

none

0x2C2D

11309

Oxygen sensor before catalytic converter, overrun check

Oxygen Sensor, Front

Deceleration

Implausible O2 sensor signal in overrun cutoff phase, no fault memories

Bank 1 O2 sensor before catalytic converter voltage less than 3.1 V or greater than 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine warm (exhaust-gas temperature > 380°C)

approximately 9 sec. with overrun cutoff active

none

Catalytic converter obstructed (rich exhaust gas on O2 sensor during overrun cutoff); oil or gasoline in exhaust gas during overrun cutoff; defective wiring; Defective pre-cat O2 sensor

Visual inspection of wiring and plugs (water or corrosion in plug?) Repeatedly remove the plug and then FIRMLY insert it again
Electrical check of wiring
Check catalytic converter (FSD lean fault may be entered for the other bank)
Piston rings, injector valves, positive crankcase ventilation OK? FSD fault? Then continue there!
Replace wires or plugs on O2 sensors as indicated
Replace O2 sensor

MIL ON

none

0x2C2E

11310

Oxygen sensor before catalytic converter 2, overrun check

Oxygen Sensor, Front

Deceleration

Implausible O2 sensor signal in overrun cutoff phase, no fault memories

Bank 2 O2 sensor before catalytic converter voltage less than 3.1 V or greater than 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine warm (exhaust-gas temperature > 380°C)

approximately 9 sec. with overrun cutoff active

none

Catalytic converter obstructed (rich exhaust gas on O2 sensor during overrun cutoff); oil or gasoline in exhaust gas during overrun cutoff; defective wiring; Defective pre-cat O2 sensor

Visual inspection of wiring and plugs (water or corrosion in plug?) Repeatedly remove the plug and then FIRMLY insert it again
Electrical check of wiring
Check catalytic converter (FSD lean fault may be entered for the other bank)
Piston rings, injector valves, positive crankcase ventilation OK? FSD fault? Then continue there!
Replace wires or plugs on O2 sensors as indicated
Replace O2 sensor

MIL ON

none

0x2F8F

12175

Accelerator pedal module and brake pedal, plausibility

No Info

Accelerator pedal module and brake pedal plausibility monitor

1.5 sec.

Terminal 15 ON

none

Continuous simultaneous pressure on accelerator and brake, seizing accelerator pedal

Discuss driving habits with customer (driving with both feet)
Visual and operational check on PWG

none

Can lead to substantial reductions in vehicle throttle response

0x2A13

10771

DMTL leak diagnosis pump, activation

EVAP System

Pump

Monitoring of control activation when pump is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Open circuit

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A13

10771

DMTL leak diagnosis pump, activation

EVAP System

Pump

Monitoring of control activation when pump is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Short to ground

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A13

10771

DMTL leak diagnosis pump, activation

EVAP System

Pump

Monitoring of control activation when pump is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Short to positive

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A18

10776

DMTL, heater: activation

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered.

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

DMTL Check

none

Open circuit

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A18

10776

DMTL, heater: activation

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered.

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

DMTL Check

none

Short to ground

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A18

10776

DMTL, heater: activation

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered.

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

DMTL Check

none

Short to positive

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2C3B

11323

Oxygen sensor before catalytic converter, not connected

Oxygen Sensor, Front

Exhaust Sample Error

O2 sensor test O2 sensor indicates lean mixture although engine operates at part or full load

O2 sensor voltage >4.8 V at part-load (sensor registers air)

Terminal 15, engine on

none

25 sec.

none

O2 sensor not screwed in

Determine whether sensor is corrected threaded into place - Check exhaust system for leaks - Check the plug-in connection

MIL ON

none

0x2C3C

11324

Oxygen sensor before catalytic converter 2, not connected

Oxygen Sensor, Front

Exhaust Sample Error

O2 sensor test O2 sensor indicates lean mixture although engine operates at part or full load

O2 sensor voltage >4.8 V at part-load (sensor registers air)

Terminal 15, engine on

none

25 sec.

none

O2 sensor not screwed in

Determine whether sensor is corrected threaded into place Check exhaust system for leaks Check the plug-in connection

MIL ON

none

0x2A12

10770

DMTL solenoid valve, activation

EVAP System

Switching Valve

Monitoring of control activation when solenoid is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Open circuit

Check wiring - Repair if defective - If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A12

10770

DMTL solenoid valve, activation

EVAP System

Switching Valve

Monitoring of control activation when solenoid is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Short to ground

1Check wiring Repair if defective If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2A12

10770

DMTL solenoid valve, activation

EVAP System

Switching Valve

Monitoring of control activation when solenoid is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

0.5 sec.

DMTL Check

none

Short to positive

1Check wiring Repair if defective If wiring is OK proceed to check component

MIL ON

Installed in US only (initialization version)

0x2F9E

12190

Thermal oil-level sensor

Engine Oil Level Sensor

Electrical

No communications with sensor

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

Defective oil sensor (no communications)

Wiring harness check/sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

not used

0x2F9E

12190

Thermal oil-level sensor

Engine Oil Level Sensor

Plausibility

Implausible sensor signal

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

Interference in oil sensor signal

Wiring harness check/sensor replacement

CC message 182 - suppressed starting with E90 with BN2000

not used

0x2F9E

12190

Thermal oil-level sensor

Engine Oil Level

Level

Oil level below 5 liters

10 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

Oil temperature > 0

none

Oil level too low (substantially below MIN)

Add 1l engine oil

CC message 28

not used

0x2EC2

11970

LIN bus, communication

No Info

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME

2.4 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Incident electromagnetic radiation
Internal driver chip in DME defective

Check routing of wiring and exclude electromagnetic interference problem as possible cause
Replace DME

none

0x2EC2

11970

LIN bus, communication

No Info

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME

2.4 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Incident electromagnetic radiation
Internal driver chip in DME defective

Check routing of wiring and exclude electromagnetic interference problem as possible cause
Replace DME

none

0x2EA1

11937

Oil condition sensor, communication

Engine Oil Quality Sensor

Electrical

Oil status sensor communications monitor

20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 9 V

none

approximately 10 sec.

none

Oil sensor (BSD BUS) not connected
Open wire (BSD BUS) between oil sensor and DME
Defective oil sensor

Check wire (BSD_BUS) connecting oil sensor (QLT) and DME.
Check plug-in connection at QLT.
Replace QLT

No warning message. No oil level display or oil temperature measurement is possible without the BSD_BUS signal.

none

0x2EC2

11970

LIN bus, communication

No Info

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME

2.4 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Incident electromagnetic radiation
Internal driver chip in DME defective

Check routing of wiring and exclude electromagnetic interference problem as possible cause
Replace DME

none

0x2ADA

10970

EAC sensor, electrical fault

Direct Ozone Reduction

Catalyst Temperature Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME

2.5 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Fault in temperature measurement within sensor

Replace EAC sensor

MIL in second driving cycle

none

0x2ADA

10970

EAC sensor, electrical fault

Direct Ozone Reduction

Catalyst Temperature Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME.

2.5 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Short to ground

Replace EAC sensor

MIL in second driving cycle

none

0x2ADA

10970

EAC sensor, electrical fault

Direct Ozone Reduction

Catalyst Temperature Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME.

2.5 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

none

Short to positive

Replace EAC sensor

MIL in second driving cycle

none

0x2C3D

11325

Oxygen sensor before catalytic converter, line fault

Oxygen Sensor, Front

Pumping Current

O2 sensor wire monitoring. Voltage of O2 sensor signal is too high during overrun cut-off phase, overrun injection deactivation.

Voltage >5.8 V during overrun injection deactivation

Terminal 15, engine on

none

Engine at operating temperature.

approximately 9s with overrun injection deactivation active

O2 sensors reversed

none

Sensor inactive. Wire IA is open. Catalyst is plugged (rich exhaust at O2 sensor in overrun cut-off); oil or gasoline in the exhaust gases during operation in overrun cut-off phase.

Visual inspection of wires, DME plug and O2 sensor for damage
Inspect wires
Check plug-in connections DME <=> Wiring harness <=> Upstream (pre-cat) O2 sensor for Bank 1 (water or corrosion in plug?) => Repeatedly remove the plug and then reconnect it FIRMLY)
Check catalytic converter (is FSD lean fault entered for the other bank?)
Piston rings, injectors, positive crankcase ventilation OK? FSD fault? Then continue there!
Replace O2 sensor
Replace DME

MIL ON

none

0x2C3E

11326

Oxygen sensor before catalytic converter 2, line fault

Oxygen Sensor, Front

Pumping Current

O2 sensor wire monitoring. Voltage of O2 sensor signal is too high during overrun cut-off phase, overrun injection deactivation

Voltage > 5.8 V during overrun injection deactivation

Terminal 15, engine on

none

Engine at operating temperature

approximately 9s with overrun injection deactivation active

O2 sensors reversed

none

Sensor inactive Wire IA is open Catalyst is plugged (rich exhaust at O2 sensor in overrun cut-off); oil or gasoline in the exhaust gases during operation in overrun cut-off phase

Visual inspection of wires, DME plug and O2 sensor for damage.
Inspect wires
Check plug-in connections DME <=> Wiring harness <=> Upstream (pre-cat) O2 sensor for Bank 1 (water or corrosion in plug?) => Repeatedly remove the plug and then reconnect it FIRMLY)
Check catalytic converter (is FSD lean fault entered for the other bank?)
Piston rings, injectors, positive crankcase ventilation OK? FSD fault? Then continue there!
Replace O2 sensor
Replace DME

MIL ON

none

0x2F0D

12045

Radiator blind, activation, (GLF)

No Info

AKKS must be initialized.

up to 20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

In the SGBD

PWM of 5-90%

Wire from the DME to the AKKS is shorted to UBatt. PVE: Connect wire from DME to AKKS to UBatt.

Check wire from the DME to the AKKS.

no external display

There is no hazard provided that the voltage supply to the AKKS is OK. (Failsafe circuit in the AKKS is active: both flaps remain open.)

0x2F0D

12045

Radiator blind, activation, (GLF)

No Info

AKKS must be initialized.

up to 20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

No info.

PWM of 5-90%

Wire from the DME to the AKKS is shorted to ground.
No voltage supply to the AKKS. PVE: Ground the wire from the DME to the AKKS.

Determine whether a possible self-diagnosis fault at the AKKS or PKKS is stored as an fault in the fault memory. (If yes, start by repairing this.)
Check wire from the DME to the AKKS
Check voltage supply at the AKKS

no external display

There is no hazard provided that the voltage supply to the AKKS is OK. (Failsafe circuit in the AKKS is active: both flaps remain open.)

0x2F0D

12045

Radiator blind, activation, (GLF)

No Info

AKKS must be initialized.

up to 20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

No info.

PWM of 5-90%

Wire from the DME to the AKKS is open. PVE: Open the wire from the DME to the AKKS.

Check wire from the DME to the AKKS.

no external display

There is no hazard provided that the voltage supply to the AKKS is OK. (Fail-safe circuit in the AKKS is active: both flaps remain open.)

0x2C41

11329

DME, internal fault: oxygen sensor

Oxygen Sensor, Front

ECM Self-Test

Monitoring of O2 sensor chip. No fault memories.

Self-diagnosis processor chip: Communications fault with $mUC.

Terminal 15 ON

none

approximately 5 sec.

none

Communication fault between processor chip and microcontroller.

Replace DME

MIL ON

none

0x2C42

11330

DME, internal fault: oxygen sensor 2

Oxygen Sensor, Front

ECM Self-Test

Monitoring of O2 sensor chip. No fault memories.

Self-diagnosis processor chip: Communications fault with $mUC.

Terminal 15 ON

none

approximately 5 sec.

none

Communication fault between processor chip and microcontroller.

Replace DME

MIL ON

none

0x2C41

11329

DME, internal fault: oxygen sensor

Oxygen Sensor, Front

ECM Self-Test

Monitoring of O2 sensor chip. No fault memories.

Self-diagnosis processor chip: Communications fault with $mUC

Terminal 15 ON

none

approximately 100 sec.

none

Initialization fault

Replace DME

MIL ON

none

0x2C42

11330

DME, internal fault: oxygen sensor 2.

Oxygen Sensor, Front

ECM Self-Test

Monitoring of O2 sensor chip. No fault memories.

Self-diagnosis processor chip: Communications fault with $mUC

Terminal 15 ON

none

approximately 100 sec.

none

Initialization fault

Replace DME

MIL ON

none

0x2EE6

12006

Coolant-temperature sensor, measurement range

Engine Coolant

Temperature

Engine must be running, T_ES > 360 min, UBatt > 11 V, TIA at start between - 10°C and 60°C, TAM_ST > -10°C, cold start

immediately

Terminal 15 on and engine running

Voltage in onboard electrical system > 11 V

Induction air temperature at start between -10 and 60°C, ambient temperature > -10°C

Time parked > 360 min, time after start > 10 sec.

none

Temperature sensor sticks at upper end of temperature range, sensor tampering.

Visual inspection of sensor and wiring
Determine whether coolant temperature really remains constant while the engine warms up
Replace sensor

MIL ON, electrical water pump and E fan at full power with engine running

none

0x2EEC

12012

Temperature sensor cooler outlet, plausibility

Radiator Coolant Temperature Sensor

Cold Start

Engine must be running

no debounce, fault code entered when engine is extremely cold (coolant temperature < -10°C) with excessively high sensor data reading immediately after engine start

Terminal 15 ON

11 V < electrical system voltage < 26 V

Coolant temperature < -10°C, induction air temperature < -10°C

none

Readings transmitted by temperature sensor too high (coolant temperature_2 > coolant temperature just after start in cold environment): Sticking sensor, sensor manipulation.

Visual inspection of sensor
Perform electrical check on sensor and power-supply wires
Test to determine whether the temperature really changes when the thermostat opens
Replace sensor

MIL ON in US versions only

temperature condition defined by data entry

0x2EEB

12011

Temperature sensor, radiator outlet, plausibility: gradient

Radiator Coolant

Temperature

Radiator discharge temperature plausibility monitor

600 msec.

Terminal 15 ON

Voltage in onboard electrical system > 9.15 V

Coolant temperature > -10°C, induction air temperature > -10°C OBD test conditions??

10 Min ?? OBD DC?

none

Creeping contact resistance or intermittent contact in sensor/power wires

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace sensor

MIL ON in US versions only

none

0x2EE3

12003

Coolant temperature sensor, plausibility: gradient

Engine Coolant

Temperature

UBatt > 9.15 V Terminal 15 on

600 ms

Terminal 15 ON

Voltage in onboard electrical system > 9.15 V

none

Creeping contact resistance or intermittent contact in sensor/power wires.

Perform electrical check on sensor wire and power-supply wires
Visual inspection of plug-in contacts (on component and DME ends)
Replace sensor

MIL ON, electrical water pump and E fan at full power with engine running

none

0x2EE2

12002

Coolant temperature sensor, plausibility: signal constant

Engine Coolant

Temperature

Engine must be running

immediately

Terminal 15 ON

Voltage in onboard electrical system > 9.15 V

Coolant temperature at start < 65°C

Entry registered when sensor reading remains constant during engine warm-up phase (up to 10 min)

none

Temperature sensor seizing, sensor manipulation

Visual inspection of sensor
Test to determine whether coolant temperature really remains constant as engine warms
Sensor replacement

MIL ON, electrical water pump and E fan at full power with engine running.

Temperature condition defined indirectly by data entry

0xCD87

52615

PT-CAN communication fault

Communication

Powertrain

none

0xCD8B

52619

PT CAN bus communication fault

Communication

Local

Terminal 15 on and EKP control module connected to LoCan

Currently deactivated

none

Voltage in onboard electrical system > 10 V

none

Short circuit in CAN bus

Check CAN wires
Check plugs to all CAN stations

none

CAN BUS OFF

0x2F77

12151

Ambient-pressure sensor, plausibility

Ambient Pressure Sensor

Pressure

Ambient pressure sensor monitor

Because an excessively steep ambient pressure gradient must be detected, no precise statements regarding debounce time are possible.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

ambient pressure rises too rapidly

Plausibility check on barometric pressure (data range and sensor travel during mountain ascent and descent)
Replace DME only if barometric pressure data are implausible (internal component)

MIL ON in US versions only

none

0x2F77

12151

Ambient-pressure sensor, plausibility

Ambient Pressure Sensor

Pressure

Ambient pressure sensor monitor

Because an excessively steep ambient pressure gradient must be detected, no precise statements regarding debounce time are possible.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

excessively rapid decline in ambient pressure

Plausibility check on barometric pressure (data range and sensor travel during mountain ascent and descent)
Replace DME only if barometric pressure data are implausible (internal component)

MIL ON in US versions only

none

0x2E97

11927

Generator

No Info

Mech. fault

Commercial vehicle >350 rpm, No communications fault

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

25 sec.

none

Alternator fails to turn => bearing damage, belt torn

Check bearings, replace belt

Charge indicator lamp

Can occur during vehicle servicing when external power source is connected, etc.

0x2F71

12145

Electronics-box fan, activation

No Info

E-module fan activation-control monitor. Component must be installed. Tester must be used to trigger component for at least 15 sec.

2 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

none

Wire is shorted to positive, or a short to positive is present in the component

Check wiring. Repair if defective. If wiring is OK proceed to check component.

No display

none

0x2F71

12145

Electronics-box fan, activation

No Info

E-module fan activation-control monitor. Component must be installed. Tester must be used to trigger component for at least 15 sec.

2 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

none

Short circuit to ground in wire or component.

Check wiring. Repair if defective. If wiring is OK proceed to check component.

No display

none

0x2F71

12145

Electronics-box fan, activation

No Info

E-module fan activation-control monitor. Component must be installed. Tester must be used to trigger component for at least 15 sec.

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

none

Open circuit

Check wiring. Repair if defective. If wiring is OK proceed to check component.

No display

none

0x2FA4

12196

Incorrect data record

ECM Monitoring

Coding

Always active

none

Terminal 15 ON

none

Incorrect data set in DME or incorrect code entered in DME

Data programming, of fault remains active re-enter DME code, if then still active replace the DME.

Reduced output

OL/UL code: Codes for CAS and/or code in data set and/or DME code do not match.

0x2ED3

11987

Generator, type incorrect

No Info

Commercial vehicle > 350 rpm, No communications fault

25 sec.

Terminal 15 ON, no BSD fault

Voltage in onboard electrical system > 10 V

none

Alternator not approved for use in this vehicle installed

Install alternator with approved detail number

none

If detail number is identical to approved number, information through VS to EA

0x2E97

11927

Generator

No Info

Implausible alternator version

Commercial vehicle >350 rpm, No communications fault

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

25 sec.

none

Alternator not approved for use in this vehicle installed

Install alternator with approved detail number

none

If detail number is identical to approved number, information through VS to EA

0x2ED0

11984

Generator, plausibility: temperature

No Info

Diagnosis not active, specific to application

Never, diagnosis not active

Terminal 15 ON, no BSD fault

none

Alternator airflow obstructed. Thermal overload from unfavorable driving profile possible.

Inspect alternator for unobstructed air current.

none

0x2ED1

11985

Generator, mechanical

No Info

Commercial vehicle >350 rpm, No communications fault.

25 sec.

Terminal 15 ON, no BSD fault

Voltage in onboard electrical system > 10 V

none

Alternator fails to turn; bearing defect, belt slips or ruptures

Check alternator shaft for resistance to motion, replace belt

Charge indicator lamp

Can occur during vehicle servicing when external power source is connected, etc.

0x2ED2

11986

Generator, regulator incorrect

No Info

none

25 sec.

Terminal 15 ON, no BSD fault

none

Installed regulator was not approved for this vehicle/this alternator.

Install regulator with approved detail number

none

If detail number is identical to approved number, information through VS to EA

0x2E96

11926

Generator, under-excitation

No Info

Commercial vehicle > 350 rpm, alternator underexcitation requested

Never, diagnosis not active

Terminal 15 ON

none

Communications fault on BSD bus while PM is requesting alternator underexcitation.

Alternator (BSD-BUS) not connected
Open wire (BSD-BUS) between alternator and DME
Alternator defect

Check wire (BSD_BUS) connecting alternator and DME.
Check plug-in connection at alternator.
Replace alternator.

MIL relevance not yet defined

none

0x2ECE

11982

Generator, plausibility: electric

No Info

Specified alternator voltage > Application threshold 1 AND battery voltage < Application threshold 2; no electrical, mechanical or overheating faults, no active excitation current

Never, diagnosis not active

Terminal 15 ON

none

B+ - Wire: Open or high contact resistance; Alternator defect. Battery defect.

Repair B+ wire Check alternator, repair as indicated Check battery, repair as indicated

none

0x2DC8

11720

No message from EGS, EGS 1

Communication

TCM

EGS detected

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

none

Timeout on EGS message

Check CAN link to EGS control module

none

0x2DD2

11730

No message from SAS control module, SAS

No Info

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
LWS1 message initialized

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message LWS1 possible.

Check CAN link between LWS and DME

none

LWS1-CAN message timeout

0xCDAF

52655

Message (status, trailer, 2E4)

No Info

Trailer module recognized

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between trailer module and DME

none

Timeout on CAN message

0x2DE3

11747

No message from instrument cluster, instrument cluster 7

Communication

Instrument Pack

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR7 message initialized

500 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check instrument cluster/CAN link to instrument cluster control module

none

Timeout message 'INSTR_7 '

0x2F4C

12108

Message EWS-DME incorrect

No Info

EWS code request

Terminal 15 on without running engine

none

CAN bus telegrams

Messages are not received

Problem diagnosis through CAS and/or gateway.

none

0x2DCC

11724

No message from ASC/DSC, ASC 1

No Info

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR_1 Message initialized

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message ASC1 possible.

Check CAN link between DSC and DME.

none

Timeout on ASC1 CAN message

0x2DCD

11725

No message from ASC/DSC, ASC 3

No Info

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR_3 Message initialized

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message ASC3 possible.

Check CAN link between DSC and DME

none

Timeout on ASC3 CAN message

0x2DCE

11726

No message from ASC/DSC, ASC 4

No Info

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR_4 Message initialized

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message ASC4 possible.

Check CAN link between DSC and DME

none

Timeout on ASC4 CAN message

0xCD94

52628

Message (outside temperature/relative time, 310)

Communication

Ambient Temperature/Relative Time

Instrument cluster recognized

20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN links between instrument cluster and DME.

none

Timeout on CAN message

0xCD95

52629

Message (operation, vehicle-speed controller/ACC, 194)

No Info

Cruise control lever recognized

1000 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check SZL control module

none

Incorrect alive counter transmission from SZL

0xCD95

52629

Message (operation, vehicle-speed controller/ACC, 194)

No Info

Cruise control lever recognized

1000 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between SZL and DME

none

Timeout on CAN message

0xCD95

52629

Message (operation, vehicle-speed controller/ACC, 194)

No Info

Cruise control lever recognized

1000 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check SZL control module

none

Incorrect check sum transmitted by SZL

0xCD96

52630

Message (torque request ACC, B7)

No Info

ACC recognized

80 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check ACC control module

none

Incorrect alive counter transmission from ACC.

0xCD96

52630

Message (torque request ACC, B7)

No Info

ACC recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between ACC and DME

none

Timeout on CAN message

0xCD96

52630

Message (torque request ACC, B7)

No Info

ACC recognized

80 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check ACC control module

none

Incorrect check sum transmitted by ACC

0xCD97

52631

Message (torque request AFS, B9)

No Info

AFS recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message.

Check AFS control module.

none

Incorrect alive counter transmission from AFS

0xCDB3

52659

Message (torque request, steering, B1h)

No Info

EHB3 recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check EHB3 control module

none

Alive counter transmission fault in message from EHB3

0xCD97

52631

Message (torque request AFS, B9)

No Info

AFS recognized

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between AFS and DME

none

Timeout on CAN message

0xCDB3

52659

Message (torque request, steering, B1h)

No Info

EHB3 recognized

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between EHB3 and DME

none

Timeout on CAN message

0xCD97

52631

Message (torque request AFS, B9)

No Info

AFS recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check AFS control module

none

Incorrect check sum transmitted by AFS

0xCDB3

52659

Message (torque request, steering, B1h)

No Info

EHB3 recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check EHB3 control module

none

EHB3 has transmitted incorrect checksum

0xCD98

52632

Message (torque request DSC, B6)

No Info

Always active

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check DSC control module

none

Incorrect DSC alive counter transmission

0xCD98

52632

Message (torque request DSC, B6)

No Info

Always active

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between DSC and DME

none

Timeout on CAN message

0xCD98

52632

Message (torque request DSC, B6)

No Info

Always active

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check DSC control module

none

Incorrect check sum transmission from DSC

0xCD99

52633

Message (torque request EGS, B5)

Communication

Torque Request AT

EGS detected

200 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check EGS and replace as indicated (fault in EGS control module).

MIL ON

Incorrect alive counter transmission from EGS

0xCDB8

52664

not translated

Communication

Torque Request AT

none

0xCD99

52633

Message (torque request EGS, B5)

Communication

Torque Request AT

EGS detected

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check EGS/CAN link to EGS control module

MIL ON

Timeout on EGS message

0xCDB8

52664

not translated

Communication

Torque Request AT

none

0xCDB9

52665

Message (status EMF, 201)

No Info

Message 'STATUS_EMF ' recognized

2.2 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check EHB3 and replace as indicated (fault in EHB3 control module)

none

Alive counter fault in transmission from EHB control module

0xCDBA

52666

Message (positioning request EMF, 1A7)

No Info

Message 'STAT_ZV_KLAPPEN ' recognized

11 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check EHB3 and replace as indicated (fault in EHB3 control module)

none

Alive counter fault in transmission from EHB control module

0xCD99

52633

Message (torque request EGS, B5)

Communication

Torque Request AT

EGS detected

200 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check EGS and replace as indicated (fault in EGS control module)

MIL ON

Incorrect check sum transmission from EGS

0xCDB8

52664

not translated

Communication

Torque Request AT

none

0xCDB9

52665

Message (status EMF, 201)

No Info

Message 'STATUS_EMF ' recognized

2.2 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check EHB3 and replace as indicated (fault in EHB3 control module)

none

Checksum from EHB control module not transmitted correctly

0xCDBA

52666

Message (positioning request EMF, 1A7)

No Info

Message 'STAT_ZV_KLAPPEN ' recognized

11 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check EHB3 and replace as indicated (fault in EHB3 control module)

none

Checksum from EHB control module not transmitted correctly

0xCDB9

52665

Message (status EMF, 201)

No Info

Message 'STATUS_EMF ' recognized

2.2 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check EHB3 or CAN link to EHB3 control module

none

Timeout message 'STATUS_EMF '

0xCDBA

52666

Message (positioning request EMF, 1A7)

No Info

Message 'STAT_ZV_KLAPPEN ' recognized

11 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check EHB3 or CAN link to EHB3 control module

none

Timeout message 'EMF control request'

0xCDBE

52670

not translated

No Info

none

0xCD9B

52635

Message (vehicle mode, 315)

No Info

Sport switch recognized

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check SZM control module

none

Alive counter from SZM transmitted incorrectly.

0xCD9B

52635

Message (vehicle mode, 315)

No Info

Sport switch recognized

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between SZM and DME

none

Timeout on CAN message

0xCD9B

52635

Message (vehicle mode, 315)

No Info

Sport switch recognized

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check SZM control module

none

SZM has transmitted incorrect check sum

0xCD9C

52636

Message (speed, 1A0)

No Info

Always active

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between DSC and DME

none

Timeout on CAN message

0xCD9D

52637

Message (transmission data, BA)

No Info

EGS/SMG recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Timeout on transmission data message

Check EGS/SMG control module and CAN links

MIL ON

none

0xCD9E

52638

Message (transmission data 2, 1A2)

No Info

EGS detected

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check EGS and/or CAN link to EGS control module

none

Timeout on EGS message

0xCD9F

52639

Message (mileage/range, 330)

No Info

Instrument cluster recognized

120 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN links between instrument cluster and DME.

none

Timeout on CAN message

0xCDA0

52640

Message (terminal status, 130)

No Info

Always active

100 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check CAS and replace as indicated (fault in CAS control module)

none

Incorrect alive counter transmission from CAS

0xCDA0

52640

Message (terminal status, 130)

No Info

Always active

200 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAS and/or CAN link to CAS control module

none

Timeout on CAS terminal status message

0xCDA0

52640

Message (terminal status, 130)

No Info

Always active

100 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect checksum in CAN message

Check CAS and replace as indicated (fault in CAS control module)

none

Incorrect checksum transmitted by CAS

0xCDA1

52641

Message (steering wheel angle, C4)

No Info

Steering wheel angle message recognized at least once

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between DSC and DME

none

Timeout on CAN message

0xCDA2

52642

Message (power management, battery voltage, 3B4)

Communication

Powermanagement

Vehicle version is E65

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between power module and DME

none

Timeout on CAN message

0xCDA3

52643

Message (power management, charging voltage, 334)

No Info

Vehicle version is E65

20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between power module and DME

none

Timeout on CAN message

0xCDA4

52644

Message (status ARS module, 1AC)

No Info

ARS recognized

400 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message

Check ARS control module

none

Incorrect alive counter transmission from ARS

0xCDA4

52644

Message (status ARS module, 1AC)

No Info

ARS recognized

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between ARS and DME

none

Timeout on CAN message

0xCDA5

52645

Message (status DSC, 19E)

No Info

Always active

800 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between DSC and DME

none

Timeout on CAN message

0xCDA6

52646

Message (status el. fuel pump, 335)

No Info

EKP recognized

40 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between EKP and DME

none

Timeout on CAN message

0xCDA7

52647

Message (status, reverse gear, 3B0)

No Info

'Reverse gear status' recognized at least once

40 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

With manual transmission: Not possible to receive CAN message.
With automatic/SMG: Light module periodically transmits 'Reverse gear status' (owing to incorrect code entry, etc.)

With manual transmission: Check CAN link between light module and DME.
With automatic/SMG: Check code entry in light module, delete version in DME and re-initialize (Terminal 15 switch)

none

Timeout on CAN message or (temporary) incorrect light module code entry

0xCDA8

52648

Message (status, instrument cluster, 1B4)

Communication

Instrument Pack

Instrument cluster recognized

500 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Incorrect alive counter in CAN message.

Check instrument cluster control module.

none

Incorrect alive counter transmission from instrument cluster.

0x2DD0

11728

No message from instrument cluster, instrument cluster 2

Communication

Instrument Pack

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR2 message initialized

20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message INSTR2 possible.

Check CAN links between instrument cluster and DME

none

Timeout on INSTR2 CAN message

0x2DD1

11729

No message from instrument cluster, instrument cluster 3

Communication

Instrument Pack

CAN 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR3 message initialized

20 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

400 ms

none

No reception of CAN message INSTR3 possible.

Check CAN links between instrument cluster and DME

none

Timeout INSTR3 CAN message

0xCDA8

52648

Message (status, instrument cluster, 1B4)

Communication

Instrument Pack

Instrument cluster recognized

700 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN links between instrument cluster and DME

none

Timeout on CAN message

0xCDA9

52649

Message (A/C request, 1B5)

No Info

Air conditioner recognized

40 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between IHKA and DME

none

Timeout on CAN message

0xCDAA

52650

Message (status, crash deactivation, el. fuel pump, 135)

No Info

EKP recognized

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between EKP and DME

none

Timeout on CAN message

0x2F11

12049

Radiator blind, top

No Info

AKKS must be initialized. Operation of lower flap: 3 x open and 3 x closed. Or conduct the system test.

none

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

No info.

PWM of 5-90 %

Defective in valve control's electronic circuitry. PVE: Insert a 1K resistor in front of Terminal 87 at DME PIN 1--09.

Check voltage supply to AKKS (focus especially on GND [PIN 2] at the valve)
If OK, then replace AKKS

no external display

There is no danger with the AKKS provided the malfunction did not arise while it was closed.

0x2ECC

11980

Generator, communication

No Info

Commercial vehicle >350 rpm, No communications fault.

25 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Alternator (BSD-BUS) not connected
Open wire (BSD-BUS) between alternator and DME
Alternator defect

Check wire (BSD_BUS) connecting alternator and DME.
Check plug-in connection at alternator.
Replace alternator.

No warning message. The alternator responds to loss of the BSD_BUS signal by charging at a constant 14.4 V battery.

none

0x2E98

11928

Generator, communication

No Info

Alternator communications monitor

Commercial vehicle >350 rpm, No communications fault.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

approximately 10 sec.

none

Alternator (BSD-BUS) not connected
Open wire (BSD-BUS) between alternator and DME
Alternator defect

Check wire (BSD_BUS) connecting alternator and DME.
Check plug-in connection at alternator.
Replace alternator.

No warning message. The alternator responds to loss of the BSD_BUS signal by charging at a constant 14.4 V battery.

none

0xCDAB

52651

Message (lamp status, 21A)

No Info

'Lamp status' message recognized at least once

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between light module and DME.

none

Timeout on CAN message

0xCDAC

52652

Message (status, water valve, 3B5)

No Info

'Water valve' status message recognized at least once

200 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between IHKA and DME

none

Timeout on CAN message

0xCDB1

52657

Message (status, central locking, 2FC)

No Info

Message 'STAT_ZV_KLAPPEN ' recognized

4 sec.

Terminal 15 on

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAS/CAN link to CAS control module

none

Timeout message 'STAT_ZV_KLAPPEN '

0xCDAE

52654

Message (time/date, 2F8)

No Info

Instrument cluster recognized

240 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN links between instrument cluster and DME.

none

Timeout on CAN message

0xCDAD

52653

Message (request, wheel torque, drivetrain, BF)

No Info

LDM recognized

80 ms

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check LDM and CAN link to LDM control module.

none

Timeout on CAN message

0xCDB0

52656

Message (display, transmission data)

No Info

EGS detected

8 sec

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check EGS and/or CAN link to EGS control module.

none

Timeout on EGS message

0x2DC9

11721

No message from EGS, EGS 2

Communication

TCM

EGS detected

5 sec.

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

5 sec.

none

Timeout on EGS message

Check CAN link to EGS control module

none

0x2DC9

11721

No message from EGS, EGS 2

Communication

TCM

Symptom is not used

none

0x2DC9

11721

No message from EGS, EGS 2

Communication

TCM

Symptom is not used

none

0xCDB4

52660

Message (gearbox data, 3B1)

No Info

Message 'Transmission data 3 ' recognized

Currently data content defined (pending)

Terminal 15 ON

Voltage in onboard electrical system > 10 V

none

Unable to receive CAN message.

Check CAN link between DME and EGS/DKG

none

Timeout on CAN message

0xCDB4

52660

Message (gearbox data, 3B1)

No Info

none

0xCDB4

52660

Message (gearbox data, 3B1)

No Info

none

0x2F4C

12108

Message EWS-DME incorrect

No Info

EWS code request

Terminal 15 on without running engine

none

CAN bus telegrams

Telegram structure not as expected

Continue problem diagnosis with CAS

none

0x2ADB

10971

EAC sensor, communication

Communication

Direct Ozone Reduction Catalyst Temp. Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME.

2.5 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

Open wire from ground, Terminal 87 or LIN bus from the DME to the EAC sensor. Defective EAC sensor.

Check ground wire from DME to EAC sensor
Check positive wire from DME to EAC sensor
Check bus wire from DME to EAC sensor
Replace sensor

MIL comes on after 2nd driving cycle

none

0x2ADB

10971

EAC sensor, communication

Communication

Direct Ozone Reduction Catalyst Temp. Sensor

EAC sensor must be installed, and the correct data set (SULEV) must be programmed in the DME.

2.5 sec.

Terminal 15

Voltage in onboard electrical system > 9 V

none

LIN bus signal

Open wire from ground, Terminal 87 or LIN bus from the DME to the EAC sensor. Defective EAC sensor.

Check ground wire from DME to EAC sensor
Check positive wire from DME to EAC sensor
Check bus wire from DME to EAC sensor
Replace sensor

MIL comes on after 2nd driving cycle

none

Self Diagnosis - Diagnostic Trouble Codes - DTC p1214 - DTC u1168 (n52) BMW X5 E70

BMW MSV80

BMW Fault Code (hex)

BMW Fault Code (dez)

BMW Fault Code Description VS-Text

Component

Subcomponent

Monitoring criteria

Fault debouncing

Terminal conditions

Voltage conditions

Temperature conditions

Time conditions

System test

Signal information

Calculated value Y/N

Possible Fault Causes

Repair procedures (plant/service)

MIL illumination/CC message/emergency program

Remarks

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