Self Diagnosis - Diagnostic Trouble Codes (M57): Other — Self Diagnosis - Diagnostic Trouble Codes (M57) — Testing & Diagnostics

Information saved in

DDE

Fault code

3FC0 - P0101

Condition for fault memory entry

No debouncing. None.

Action in service

Check for leaks in mass airflow system between the mass-airflow sensor and the intake manifold/plenum.

If the mass airflow system is sealed

Replace mass-airflow sensor.

Fault effect and breakdown warning

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Driver information

Warning light

MIL

Service instruction

none

DDE

3FD0 - P0101

No debouncing. None.

Replace mass-airflow sensor.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4C2D - P0102

Debounce (1000 ms)

Warning light

MIL

none

DDE

4C2C - P0103

Debounce (1000 ms)

Check mass-airflow sensor.

Warning light

MIL

none

DDE

4BC0 - P0103

Debounce (150 ms)

Check wires, plug connections and electrical power supply.
If the wires, plugs and voltage supply are all ok: Replace mass-airflow sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4BC1 - P0102

Debounce (150 ms)

Check wires, plug connections and electrical power supply.
If the wires, plugs and voltage supply are all ok: Replace mass-airflow sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

3FF0 - P0101

Debounce (4000 ms)

Check boost-air temperature sensor for plausibility (possibly indicates excessively high values, usually without any DTC entry).
Check for leaks in the air-induction system between the intake-air noise attenuator, mass-airflow sensor and turbocharger.
Check air filter.
Examine EGR valve for sticking and to verify that it seals when closed.
Check swirl valves for sticking.
Check intake passages and ports and exhaust valves for carbon deposits.

If results of the tests are OK

Replace mass-airflow sensor.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

3FF1 - P0101

Debounce (4000 ms)

Check air-induction tract between turbocharger and intake-air plenum.
Check swirl valves for sticking.

If results of the tests are OK

Replace mass-airflow sensor.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4BC2 - P0101

Debounce (50 ms)

Check wires and plug connections. (open circuit or short circuits in the signal wire, interruption of power supply to the mass-airflow sensor)
If wiring and plug connections are OK: Replace mass-airflow sensor.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C87 - P14D0

Debounce (10000 ms)

Check low-pressure EGR cooler for contamination, replace low-pressure EGR cooler as indicated.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

491E - P0607

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

4919 - P0607

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

48D9 - P0607

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

48CE - P0607

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

4B82 - P0401

Debounce (4000 ms)

Check the following potential problem sources

Mass airflow system on engine-side of compressor is leaking.
Leak in exhaust system upstream from turbine.
Defective boost pressure actuator/exhaust turbocharger (in combination with errors related to the boost pressure actuator).
Defective EGR valve (in combination with EGR valve errors).
Throttle valve defect (in combination with throttle valve faults).
Severe EGR cooler soot accumulation.

Applies to engines with single-stage boost: Conduct mass airflow system test.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Check diagnostic trouble codes for the named components.

DDE

4507 - P0402

Debounce (4000 ms)

Check the following potential problem sources

Leaks in mass airflow system between the mass-airflow sensor and the compressor.
Contaminated air filter.
Defective mass-airflow sensor.
Swirl valves sticking in closed position.
Carbon deposits on intake valves.
Defective throttle valve (in combination with throttle valve faults).
Defective EGR valve (in combination with EGR valve faults).
Defective turbocharger (in combination with turbocharger faults).

Applies to engines with single-stage boost: Conduct mass airflow system test.

It is possible to continue driving the vehicle, emissions deteriorate.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Note collateral effects with boost-pressure control. Problems related to EGR can affect the boost-pressure control.

DDE

4B81 - P0402

Debounce (3000 ms)

Check the following potential problem sources

Leak in mass airflow system between mass-airflow sensor and compressor.
Contaminated air filter.
Defective mass-airflow sensor.
Swirl valves sticking in closed position.
Carbon deposits on intake valves.
Defective throttle valve (in combination with throttle valve faults).
Defective EGR valve (in combination with EGR valve faults).
Defective turbocharger (in combination with turbocharger faults).

Applies to engines with single-stage boost: Conduct mass airflow system test.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Check diagnostic trouble codes for the named components.

DDE

4501 - P0401

Debounce (7500 ms)

Check the following potential problem sources

Leaks in mass airflow system on engine side of compressor
Leaks in exhaust system on engine side of turbine (combined with mass airflow plausibility errors).
Throttle valve defect (in combination with throttle valve faults).
Defective EGR valve (in combination with EGR valve errors).
Defective turbocharger (in combination with turbocharger faults).
Severe EGR cooler soot accumulation.

Applies to engines with single-stage boost: Conduct mass airflow system test.

It is possible to continue driving the vehicle, emissions deteriorate.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Note collateral effects on boost-pressure control (faults in the exhaust-gas recirculation system can affect the boost-pressure control system).

Check diagnostic trouble codes for the named components.

DDE

4B8C - P0403

Debounce (20000 ms)

Warning light

KEINE

none

DDE

4C5B - P0070

Debounce (50 ms)

Replace outside temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C52 - P007B

Debounce (50 ms)

Replace charge-air temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C51 - P040B

Debounce (50 ms)

Replace exhaust-gas temperature sensor downstream from EGR cooler.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C50 - P041B

Debounce (50 ms)

Replace exhaust-gas temperature sensor downstream from low-pressure EGR cooler.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

3F25 - P2279

No debouncing.

On engines with multi-stage boost

Check the following potential problem sources

Leak in mass airflow system on engine-side of compressor (boost-air hose, boost-pressure sensor, intake manifold/plenum).

Applies to engines with single-stage boost

Check the following potential problem sources

Leak in mass airflow system on engine-side of compressor (boost-air hose, boost-pressure sensor, intake manifold/plenum).

Conduct mass airflow system test.

Power loss owing to lack of air mass.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

3F35 - P2279

No debouncing.

Check the following potential problem sources

Leak in mass airflow system on engine-side of compressor (boost-air hose, boost-pressure sensor, intake manifold/plenum).
Defective mass-airflow sensor.

Power loss owing to lack of air mass.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Check air mass system for leaks.
Perform mass airflow system test.

DDE

CD87 - U0028

Debounce (400 ms)

Conduct CAN system analysis.

Check wires and plug-in connections for short circuits and opens.

Warning light

MIL

none

DDE

49F1 - U029D

Debounce (400 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

48F2 - P3200

Debounce (300 ms)

Replace DDE control module.

Warning light

MIL

none

DDE

474D - P026A

The intercooler's effective cooling capacity is too low.

Check air flow to the intercooler. Check cooling fins for contamination and clean as indicated.

If the air-supply duct is OK and no contamination is present

Replace intercooler.

Warning light

MIL

If contaminant deposits are discovered on/in the intercooler then the engine radiator should also be inspected for contamination.

DDE

46D7 - P0033

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for compressor bypass valve.

Warning light

MIL_SVS

none

DDE

46D8 - P0039

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

46D5 - P0035

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for compressor bypass valve.

Warning light

MIL_SVS

none

DDE

46D6 - P0034

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for compressor bypass valve.

Warning light

MIL

none

DDE

3EF0 - P0115

None.

Replace coolant temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

434A - P0117

Debounce (4000 ms)

Replace coolant temperature sensor.

Warning light

MIL

none

DDE

3EE0 - P0118

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace coolant temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

3EE1 - P0117

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace coolant temperature sensor.

Warning light

MIL

none

DDE

4585 - U059E

Debounce (50 ms)

Warning light

MIL

none

DDE

4583 - U059F

Debounce (50 ms)

Warning light

MIL

none

DDE

4AEF - U0101

Debounce (100 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4A89 - U0101

Debounce (100 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4BE2 - U0101

Debounce (100 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4BE3 - U0101

Debounce (100 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

497B - P110F

Debounce (12000 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4C82 - P110F

Debounce (12000 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

481F - U029D

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx control module 1 (before SCR converter).

Warning light

MIL

none

DDE

4872 - P124E

Debounce (500 ms)

Install correct NOx sensor behind SCR converter.

Warning light

MIL

none

DDE

4871 - P124C

Debounce (500 ms)

Install correct NOx sensor before SCR converter.

Warning light

MIL

none

DDE

480F - U029E

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx control module 2 (behind SCR converter).

Warning light

MIL

none

DDE

49A2 - U0155

Debounce (6000 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

49A3 - U0155

Debounce (6000 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

4DF0 - U0101

Debounce (50 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4DF1 - U0101

Debounce (50 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4DF2 - U0101

Debounce (50 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

DDE

4DF3 - U0101

Debounce (50 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

49F3 - P0500

Debounce (150 ms)

Conduct CAN system analysis.

Warning light

MIL

none

DDE

486C - P124E

Debounce (500 ms)

Replace NOx sensor behind SCR converter.

Warning light

MIL

none

DDE

486B - P124C

Debounce (500 ms)

Replace NOx sensor before SCR converter.

Warning light

MIL

none

DDE

4B73 - P053A

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace crankcase ventilation heater.

Warning light

MIL

none

DDE

4B72 - P120D

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE ECU.

Warning light

MIL

none

DDE

4B70 - P053C

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace crankcase ventilation heater.

Warning light

MIL

none

DDE

4B6C - P053B

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace crankcase ventilation heater.

Warning light

MIL

none

DDE

4C89 - P0128

Debounce (100 ms)

Warning light

MIL

none

DDE

4C8F - P0607

Debounce (50 ms)

Replace DDE control module.

Warning light

MIL

none

DDE

485C - P245A

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for EGR cooler bypass valve.

Warning light

MIL

none

DDE

485D - P245B

Debounce (220 ms)

Inspect switch valve for EGR cooler bypass valve for short circuits.

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

485A - P245D

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for EGR cooler bypass valve.

Warning light

MIL

none

DDE

485B - P245C

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace switch valve for EGR cooler bypass valve.

Warning light

MIL

none

DDE

4BDE - P062F

None.

Replace DDE control module.

Warning light

MIL

none

DDE

4AE9 - P062F

None, if debounce is defined as a constant 3.

Replace DDE control module.

Warning light

MIL

none

DDE

4AEE - P062F

None, if debounce is defined as a constant 3.

Replace DDE control module.

Warning light

MIL

none

DDE

4873 - P2457

Check vacuum supply to the EGR cooler's bypass valve (vacuum lines and switch valve).
If the vacuum supply is in satisfactory condition: Replace the EGR cooler (the bypass valve's return spring may be defective).

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4B39 - P0403

Debounce (220 ms)

Check wires and plug connections. (open circuit)
If wiring and plug connections are OK: Replace EGR actuator.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4B3F - P0404

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

4B24 - P0490

Debounce (220 ms)

Check wires and plug connections. (Short circuit)
If wiring and plug connections are OK: Replace EGR actuator.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4B29 - P0490

Debounce (220 ms)

Check wires and plug connections. (Short circuit)
If wiring and plug connections are OK: Replace EGR actuator.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4B2E - P0489

Debounce (220 ms)

Check wires and plug connections. (Short circuit)
If wiring and plug connections are OK: Replace EGR actuator.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4B2F - P0489

Debounce (220 ms)

Check wires and plug connections. (Short circuit, leakage current)
If wiring and plug connections are OK: Replace EGR actuator.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4C9E - P042F

Debounce time for detection of positive control deviation 2500 ms+ time for break-away attempts with persistent control deviation 1 s or time to recognition of negative control deviation error 2500 ms+ time during which enable function is active 1 s.

With electric EGR valve

Replace EGR valve.

With pneumatic EGR valve

Check the vacuum system between the following components and repair as required

Pressure converter for EGR valve.
EGR valve.

If the vacuum system is OK

Replace EGR valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4C9F - P042E

Debounce time for detection of a negative control deviation 2500 ms+ time for break-away attempts during persistent control deviation 1 s.

Replace EGR valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

478E - P045F

Debounce time for detection of a positive control deviation 5000 ms+ time for break-away attempts during persistent control deviation 3 s.

Time for recognition of a negative control deviation error 5000 ms+ time during which the enable function is activated (3 s).

Check low-pressure EGR valve.
Replace sensors.
Replace low-pressure EGR valve.

Warning light

MIL

none

DDE

478F - P045E

Debounce time for detection of a negative control deviation 5000 ms+ time for break-away attempts during persistent control deviation 3 s.

Check low-pressure EGR valve.
Replace sensors.
Replace low-pressure EGR valve.

Warning light

MIL_SVS

none

DDE

4794 - P045A

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace low-pressure EGR actuator.

Warning light

MIL

none

DDE

4DA7 - P045B

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE ECU.

Warning light

MIL

none

DDE

4799 - P045D

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace low-pressure EGR actuator.

Warning light

MIL

none

DDE

479E - P045C

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace low-pressure EGR actuator.

Warning light

MIL_SVS

none

DDE

4784 - P0408

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace low-pressure EGR actuator.

Warning light

MIL

none

DDE

4789 - P0407

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace low-pressure EGR actuator.

Warning light

MIL

none

DDE

4CA9 - P0406

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace EGR valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced

DDE

4CAE - P0405

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace EGR valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

With some engine versions the appropriate service function must be used to reset the EGR valve's adaptation before the EGR valve is replaced.

DDE

4AD5 - P02CD

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B15 - P02D5

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4AF5 - P02D1

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B25 - P02D7

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4AE5 - P02CF

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B05 - P02D3

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4AD6 - P02CC

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B16 - P02D4

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4AF6 - P02D0

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B26 - P02D6

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4AE6 - P02CE

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4B06 - P02D2

Event debounced (1)

Replace injector.

Warning light

MIL

none

DDE

4C6C - P244C

Debounce (20000 ms)

Check the following potential problem sources

Mass airflow sensor contaminated/implausible air mass data.
Pre-catalyst exhaust-gas temperature is implausible.
Exhaust-gas temperature upstream from particulate filter is implausible. With engine cold check mutual plausibility of exhaust-gas temperatures.
Fuel quantity drift at injectors.

Check for DTC entries related to the indicated components, repair faults.

Warning light

MIL

none

DDE

4BC3 - P244C

Event debounced (1)

Warning light

MIL

none

DDE

4DFB - P1515

Debounce (500 ms)

Start vehicle, switch it off, allow vehicle to enter sleep mode (can take up to 15 min), these steps must be carried out before the diagnostic trouble code can be deleted.

If the fault continues to appear respond by replacing the instrument cluster.

No hazard to components is present

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4D00 - P244B

Debounce (2000 ms)

Check hose and electrical connections, test exhaust backpressure.
If wiring and plug connections are OK: Replace differential-pressure sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4175 - P244D

Debounce (50000 ms)

Check particulate filter and catalyst for damage.
Check wires and plug-in connections, if OK: Replace pre-particulate filter exhaust-gas temperature sensor.
Check EGR valve for leakage, clean as required.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4D01 - P244A

Debounce (2000 ms)

Check sensor, hose and electrical connections, conduct backpressure test
If wires/plug connections are OK, replace sensor.

Warning light

MIL

none

DDE

432A - P2229

Debounce (200 ms)

Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

432B - P2228

Debounce (200 ms)

Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4060 - P2229

Debounce (150 ms)

Replace DDE control module.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4061 - P2228

Debounce (50 ms)

Replace DDE control module.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4D95 - P009A

Debounce (15000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace outside-temperature sensor.

Warning light

MIL

none

DDE

4C1C - P0073

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace outside-temperature sensor.

Warning light

MIL

none

DDE

3F80 - P0073

Debounce (6000 ms) None.

Check wires and plug connections.
If wiring and plug connections are OK: Replace outside-temperature sensor.

Warning light

MIL

none

DDE

3F81 - P0072

Debounce (6000 ms) None.

Check wires and plug connections.
If wiring and plug connections are OK: Replace outside-temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

42B5 - P0016

Check bolt retaining sprocket on camshaft.
Check sensor reluctor ring attachment.
Check camshaft/valve timing.
Check timing chain

Park vehicle.

Warning light

MIL

none

DDE

3E91 - P0336

200/10 Monitoring cycles

Check the following potential fault causes and repair as needed

Intermittent contact at plug.
Change in gap between sensor and reluctor ring (eccentric reluctor ring geometry, gap too wide, loose sensor, sensor movement).
Crankshaft sensor defect stemming from collision with reluctor ring.
Damaged reluctor ring.

Warning light

MIL

none

DDE

3E90 - P0335

Check the following potential fault causes and repair as needed

The signal wire between the sensor and the control module is open or shorted to positive or ground.
Open circuit in voltage supply or ground wire.
Open circuit in one or both signal wires between sensor and control module.
If the sensor is a passive sensor (inductive sensor) the gap between the crankshaft sensor and reluctor ring is too wide.
Defective crankshaft sensor.

Warning light

MIL

none

DDE

4C04 - P0425

Debounce (60000 ms)

Replace exhaust-gas temperature sensor upstream from oxidation catalyst.

Warning light

MIL

Defective exhaust-gas temperature sensor upstream from oxidation catalyst.

DDE

4C09 - P042A

Debounce (60000 ms)

Replace pre-particulate filter exhaust-gas temperature sensor.

Warning light

MIL

Exhaust-gas temperature sensor before particulate filter defective.

DDE

4C0E - P242A

Debounce (60000 ms)

Replace exhaust-gas temperature sensor before SCR converter.

Warning light

MIL

Defective exhaust-gas temperature sensor before SCR cat.

DDE

4ABD - P0425

Debounce (100 ms)

Replace exhaust-gas temperature sensor upstream from oxidation catalyst.

Warning light

MIL

none

DDE

4ABB - P042A

Debounce (100 ms)

Replace pre-particulate filter exhaust-gas temperature sensor.

Warning light

MIL

none

DDE

4ABA - P242A

Debounce (100 ms)

Replace exhaust-gas temperature sensor before SCR converter.

Warning light

MIL

none

DDE

4674 - P323F

Debounce (5000 ms)

Warning light

MIL

none

DDE

4679 - P323F

Debounce (5000 ms)

Check mass airflow system and exhaust system for leaks (also check before replacing parts) and repair leaks.
If diagnostic trouble codes related to the oxygen sensor have been logged: Conduct fault diagnosis on the oxygen sensor based on the diagnostic trouble codes logged in the ECU.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Watch for leaks on exhaust-gas side behind exhaust-gas discharge for the EGR system.

DDE

435A - P0182

Debounce (4000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel pressure and temperature sensor (on vehicles without closed-loop control of low-pressure fuel-delivery circuit: fuel-temperature sensor).

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4000 - P0183

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel pressure and temperature sensor (on vehicles without closed-loop control of low-pressure fuel-delivery circuit: fuel-temperature sensor).

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4001 - P0182

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel pressure and temperature sensor (on vehicles without closed-loop control of low-pressure fuel-delivery circuit: fuel-temperature sensor).

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4CF6 - P008F

None.

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel pressure and temperature sensor (on vehicles without closed-loop control of low-pressure fuel-delivery circuit: fuel-temperature sensor).

Warning light

MIL

none

DDE

4949 - P0670

Debounce (1200 ms)

Install correct glow plugs.

If the fault reoccurs: Replace glow-plug preheating control module.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A7F - P0670

Debounce (1200 ms)

Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A7E - P0670

Debounce (1200 ms)

Check wires and plug connections on LIN bus.
If wiring and plug connections are OK
Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A79 - P064C

Debounce (1700 ms)

Check wires and plug connections on LIN bus.
If wiring and plug connections are OK: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A74 - P064C

Debounce (1700 ms)

Check wires and plug connections on LIN bus.
If wiring and plug connections are OK: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A6F - P066B

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A6E - P0671

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 1.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A69 - P066A

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 1.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A64 - P0671

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A5F - P066D

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A5E - P0672

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 2.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A59 - P066C

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 2.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A54 - P0672

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 2.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A4F - P066F

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A4E - P0673

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 3.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A49 - P066E

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 3.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A44 - P0673

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 3.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A3F - P067B

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A3E - P0674

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 4.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A39 - P067A

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 4.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A34 - P0674

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 4.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A2F - P067D

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A2E - P0675

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 5.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A29 - P067C

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 5.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A24 - P0675

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 5.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A1F - P067F

Debounce (1200 ms)

Replace glow-plug preheating control module.

Replace glow plug 1.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A1E - P0676

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 6.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A19 - P067E

Debounce (1200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace glow plug 6.

If the fault reoccurs: Replace glow-plug preheating control module.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A14 - P0676

Debounce (1200 ms)

Check wires and plug connections.
Check part numbers of installed glow plugs, replace with correct glow plugs as indicated.
If wiring and plug connections are OK: Replace glow plug 6.

Poor starting at low temperatures.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Remove glow plugs with engine warmed to normal operating temperature to avoid damage to the cylinder head.

DDE

4A0F - P0383

Debounce (1200 ms)

Check ground connections on glow-plug preheating control module and on engine.

If the fault persists: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A0E - P064C

Debounce (1200 ms)

Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A09 - P064C

Debounce (1200 ms)

Check wires and plug connections on LIN bus.
If wiring and plug connections are OK: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

494A - P0670

Debounce (1200 ms)

Check power-supply wires and plug connections at glow-plug preheating control module's Terminal 30.

If the fault reoccurs: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4A04 - P064C

Debounce (1200 ms)

Check contact between glow-plug preheating control module and engine block.
If no fault is detected: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

49FF - P064C

Debounce (1200 ms)

Check power-supply wires and plug connections at glow-plug preheating control module.
If wiring and plug connections are OK: Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

4DEC - P0507

Debounce (3000 ms)

Warning light

MIL

none

DDE

4DED - P0506

Debounce (3000 ms)

Warning light

MIL

none

DDE

4BA8 - P268C

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4BA6 - P2690

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4BA5 - P268E

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4BA3 - P2691

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4BA2 - P268D

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4B9D - P268F

No debouncing. None.

Repeat the injector quantity calibration for the injector and conduct a terminal status switch.
If the fault is still present in repeat testing: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CE9 - P268C

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CF9 - P2690

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CEF - P268E

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CFE - P2691

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CEE - P268D

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4CF4 - P268F

No debouncing. None.

Repeat the injector quantity compensation for the injector and conduct a terminal power-status switch.
If the error is still present: Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

KEINE

none

DDE

4917 - P0611

Event debounced (4)

Replace DDE control module.

Following terminal status switch attempt to start the engine, and proceed to a service facility.

Warning light

MIL

none

DDE

4C59 - P0611

Event debounced (4)

Replace DDE control module.

Following terminal status switch attempt to start the engine, and proceed to a service facility.

Warning light

MIL

none

DDE

4B94 - P0611

Event debounced (4)

Check wires and plug connections for all affected injectors.
If wiring and plug connections are OK: Replace DDE control module.

Warning light

MIL

none

DDE

4B99 - P0611

Event debounced (4)

Check wires and plug connections for all three affected injectors.
If wiring and plug connections are OK: Replace DDE control module.

Warning light

MIL

none

DDE

4C0F - P0611

Event debounced (10)

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

4C1F - P0611

Event debounced (10)

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

441C - P0201

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

445C - P0205

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

443C - P0203

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

446C - P0206

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

442C - P0202

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

444C - P0204

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4BC4 - P3148

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4BD4 - P3160

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4BCE - P3154

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4BD9 - P3163

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4BC9 - P3151

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4BCF - P3157

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Inspect injector: Measure resistance (at 20 - 40 °C).

Setpoint: 180 kOhm +/- 10 kOhm

If the specified value is not obtained: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL_SVS

none

DDE

4934 - P0261

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4924 - P0273

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

492E - P0267

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

491F - P0276

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

492F - P0264

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4929 - P0270

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4BAE - P0262

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4BBE - P0274

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4BB4 - P0268

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4BBF - P0277

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4BAF - P0265

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4BB9 - P0271

Event debounced (4)

Check wires and plug connections.
If wiring and plug connections are OK: Replace injector.

Perform terminal power-status switch and attempt engine start.

Warning light

MIL

none

DDE

4954 - P0611

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

4959 - P0611

No debouncing. None.

Replace DDE control module.

Warning light

MIL

none

DDE

46E6 - P026B

Event debounced (50)

Warning light

MIL

none

DDE

46E7 - P026B

Event debounced (50)

Warning light

MIL

none

DDE

49A5 - U0106

Debounce (1200 ms)

Check LIN bus.

If LIN bus is OK

Replace glow-plug preheating control module.

Warning light

MIL

none

DDE

41D7 - P2243

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

41E7 - P2237

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

41F7 - P2251

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

43FD - P0133

Event debounced (2) Number 2 of consecutive defect detections. In service test diagnosis the debounce is divided by the factor 2.

Check wires and plug connections.
Check exhaust system for leaks, check installation of oxygen sensor.
If wires and exhaust system are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4205 - P0032

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4206 - P0031

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4207 - P0030

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4235 - P0607

Event debounced (10) Event debounce with the counter limit 10 for defect detection as. In the service test diagnosis the debounce is divided by the factor 2.

Replace DDE control module.

Warning light

MIL

none

DDE

4236 - P0607

Event debounced (10) Event debounce with the counter limit 10 for defect detection as. In the service test diagnosis the debounce is divided by the factor 2.

Replace DDE control module.

Warning light

MIL

none

DDE

4225 - P0132

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4226 - P0131

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

447A - P2297

Event debounced (100) The diagnostic trouble code is logged when at least 100 error events have been counted. During service test diagnosis the debounce is divided by 2.

Check exhaust system for leaks.
Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

448A - P2A00

Event debounced (100) The diagnostic trouble code is logged when at least 100 error events have been counted. During service test diagnosis the debounce is divided by 2.

Check exhaust system for leaks.
Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

447B - P2297

Event debounced (100) The diagnostic trouble code is logged when at least 100 error events have been counted. During service test diagnosis the debounce is divided by 2.

Check exhaust system for leaks.
Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

448B - P2A00

Event debounced (100) The diagnostic trouble code is logged when at least 100 error events have been counted. During service test diagnosis the debounce is divided by 2.

Check exhaust system for leaks.
Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4258 - P3022

No debouncing.none

Replace DDE control module.

Warning light

MIL

none

DDE

49E4 - P2239

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

49EF - P2238

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace oxygen sensor.

Warning light

MIL

none

DDE

4275 - P0135

Debounce (60000 ms) 60000 ms. For brief diagnosis the time is divided by 2.

Replace oxygen sensor.

Warning light

MIL

none

DDE

4276 - P0135

Debounce (60000 ms) 60000 ms. For short-distance diagnosis the time is divided by 2.

Replace oxygen sensor.

Warning light

MIL

none

DDE

4121 - P0685

None.

Determine whether the error is a collateral error stemming from undervoltage. If the error was not caused by undervoltage

Replace the DDE main relay.

Warning light

MIL

If this error is logged together with other errors that trigger an ECU recovery or indicate undervoltage then these problems should be resolved. The main relay malfunction may be a collateral malfunction.

DDE

4120 - P0685

None.

Replace the DDE main relay.

Warning light

MIL

none

DDE

4300 - P0001

Debounce (100 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel-quantity control valve.

If the fault reoccurs

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

4310 - P0004

Debounce (100 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel-quantity control valve.

Warning light

MIL_SVS

none

DDE

4320 - P0003

Debounce (100 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace fuel-quantity control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4CE1 - P0301

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CE2 - P0305

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CE3 - P0303

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CE6 - P0306

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CE7 - P0302

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CE8 - P0304

None.

Check injector.

If injector is OK: Check injector wiring and plug connections for open circuit or short (possible additional diagnostic trouble codes logged?)

Warning light

MIL

none

DDE

4CF0 - P0300

None.

Check injectors.

If injectors are OK: Examine injector wiring and plug connections for open or short circuits (other diagnostic trouble codes logged in ECU?)

Warning light

MIL

none

DDE

4976 - P2201

Event debounced (2000)

Warning light

MIL

DDE

496D - P2201

Debounce (2000 ms)

Warning light

MIL

DDE

496C - P229F

Event debounced (1)

Delete the DTC if the error frequency is 1.
Respond to multiple occurrences of this error by replacing the pre-SCR-cat NOx sensor.

Warning light

MIL

DDE

496B - P229F

Event debounced (1)

Determine whether multiple occurrences of the error are present. If the error occurs once then the DTC can simple be deleted. Respond to multiple occurrences by replacing the NOx sensor.

Warning light

MIL

DDE

4B6A - P2201

Event debounced (1)

Delete the DTC if the error frequency is 1.
Respond to multiple occurrences of this error by replacing the pre-SCR-cat NOx sensor.

Warning light

MIL

DDE

4BF5 - P124D

Event debounced (10)

Check wires and plug connections.
If wiring and plug connections are OK
Check NOx sensor 1 (before SCR converter).

Warning light

MIL

Replace NOx sensor 1 (before SCR catalyst)

DDE

46B4 - P2201

Event debounced (1)

Use SCR converter system check to analyze NOx sensor 1 (before SCR).

ID0004

ID0005

3. Replace NOx sensor 1 (before SCR).

Proceed to the nearest BMW Service facility.

Warning light

MIL

Perform metering diagnosis if indicated.

DDE

46B9 - P2201

Event debounced (1)

Use SCR converter system check to analyze NOx sensor 1 (before SCR).

ID0004

ID0005

3. Replace NOx sensor 1 (before SCR).

Proceed to the nearest BMW Service facility.

Warning light

MIL

DDE

4922 - P2209

Event debounced (2)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 1 (before SCR converter).

Warning light

MIL

none

DDE

4754 - P2203

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 1 (on front side of SCR converter).

Warning light

MIL

none

DDE

4759 - P2202

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 1 (on front side of SCR converter).

Warning light

MIL

none

DDE

475E - P2200

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 1 (on front side of SCR converter).

Warning light

MIL

none

DDE

475F - P122C

Debounce (2000 ms)

Replace wire (supply NOx sensor ECU or between NOx sensor ECU and NOx sensor)/check plug and/or replace NOx sensor 1 (before SCR converter).

Warning light

MIL

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 1 (on front side of SCR converter).

DDE

4BF0 - P124F

Event debounced (10)

Check wires and plug connections.
If wiring and plug connections are OK
Check NOx sensor 2 (behind SCR converter).

Warning light

MIL

Replace NOx sensor 2 (behind SCR catalyst).

DDE

4B3B - P229F

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

4B3A - P229F

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

4724 - P229F

Debounce (2000 ms)

Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

Replace NOx sensor 2 (behind SCR converter).

DDE

4729 - P229F

Debounce (2000 ms)

Check of NOx sensor.

Warning light

MIL

none

DDE

46A4 - P229F

Event debounced (1)

Use SCR converter system check to analyze NOx sensor 2 (behind SCR converter).

ID0004

ID0005

3. Replace NOx sensor 2 (behind SCR converter).

Proceed to the nearest BMW Service facility.

Warning light

MIL

Perform metering diagnosis if indicated.

DDE

46A9 - P229F

Event debounced (1)

Use SCR converter system check to analyze NOx sensor 2 (behind SCR converter).

ID0004

ID0005

3. Replace NOx sensor 2 (behind SCR converter).

Proceed to the nearest BMW Service facility.

Warning light

MIL

DDE

4926 - P22A7

Event debounced (2)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

472E - P22A1

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

472F - P22A0

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

4744 - P229E

Debounce (2000 ms)

Check wiring and plug-in connections (power supply to NOx sensor control module and NOx sensor).
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

4749 - P122D

Debounce (2000 ms)

Check wiring and plug-in connections (power supply to NOx sensor control module and NOx sensor).
Replace NOx sensor 2 (behind SCR converter).

Warning light

MIL

none

DDE

4D03 - P14A3

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas backpressure sensor.

Warning light

MIL

none

DDE

4B91 - P0420

Event debounced (1)

Replace oxidation catalyst/particulate filter.

Warning light

MIL

none

DDE

429A - P02CB

Debounce (6000 ms)

Check mass airflow system behind large compressor for leaks.
Check throttle valve for malfunctions.
Check EGR valve for malfunctions.
Check boost pressure actuator for faults.
Check exhaust system for flow obstructions and leaks (gasket between the turbines and the exhaust manifold).
Check compressor bypass valve for faults and sticking.
Check turbine control flap for faults and tight sealing when closed.
Check wastegate valve for malfunctions and to ensure that it seals when closed.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Check diagnostic trouble codes for the named components.

DDE

428B - P02CA

Debounce (3000 ms)

Check mass airflow system for leaks.
Check boost pressure sensor.
Check operation of the following components and inspect for tampering: Turbine control flap. Wastegate valve (can seize in closed position).

Active torque reduction.

Do not drive at WOT/full throttle, component hazard possible.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Check for diagnostic trouble codes for the named components.

DDE

4530 - P0299

Debounce (7000 ms)

Engine with single-stage boost

Check air-induction system for leaks.
Inspect exhaust system on engine side of turbine for leaks.
Check throttle valve.
Perform mass airflow system test.

Engine with multi-stage boost

Check air-induction system for leaks.
Inspect exhaust system on engine side of turbines for leaks. Note: An internal exhaust leak at the joint between the large turbine and exhaust manifold is possible (at sealing ring for turbine control flap).
Check throttle valve (DTCs logged in error memory).
Check turbine control flap.
Check boost pressure actuator's high-pressure stage.
Check turbocharger high-pressure stage for damage to compressor and turbine blades.
Check wastegate valve.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

Check diagnostic trouble codes for the named components.

Note. On the F01 with N57D30T0 manufactured up to February, 2010 the vacuum actuators for the turbine control flap may display the following damage with the passage of time

Leaking vacuum diaphragm.
Linkage separates from the vacuum actuator.

In this case the vacuum actuator must be replaced.

DDE

4521 - P0234

Debounce (4000 ms)

Engine with single-stage boost

Check air-induction system for leaks.
Check boost pressure actuator for signs of tampering.
Perform mass airflow system test.

Engine with multi-stage boost

Check air-induction system for leaks.
Check turbine control flap (tampering).
Check boost pressure actuator high-pressure stage (tampering).

Active torque reduction.

Do not drive at WOT/full throttle, component hazard possible.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

Check diagnostic trouble codes for the named components.

DDE

4330 - P0090

Debounce (100 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace rail pressure control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4340 - P0092

Debounce (100 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace rail pressure control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4350 - P0091

Debounce (50 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace rail pressure control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C4E - P228F

No debouncing. None.

Replace rail pressure control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C4F - P228E

No debouncing. None.

Replace rail pressure control valve.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

48E1 - P321E

Debounce (500 ms)

Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

48E0 - P321F

Debounce (500 ms)

Replace DDE control module.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

48DD - P0069

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

48DC - P0069

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4C5E - P2002

Debounce (2500 ms)

E90-M57D30T2-AT-LEVII

Debounce (4000 ms)

Inspect to determine whether filter could be removed (carbon accumulation at tailpipe tip).
If soot is present on the end of the tailpipe and the end of the filter then the filter is defective.
If no soot is present on the end of the filter and at the tailpipe tip but the diagnostic trouble code has still been logged: Hose to differential-pressure sensor has fallen off or the sensor is defective (in which case a diagnostic trouble code for the differential-pressure sensor would also be logged).

Proceed to the nearest BMW Service facility.

Warning light

MIL

If the differential-pressure sensor is defective then a diagnostic trouble code for the differential-pressure sensor would also be stored.

DDE

4D99 - P14A6

Debounce (1000 ms)

Warning light

MIL

none

DDE

4B9C - P2002

None.

Inspect to determine whether filter could be removed (carbon accumulation at tailpipe tip).
If soot is present on the end of the tailpipe and the end of the filter then the filter is defective.
If no soot is visible in these places, but the diagnostic trouble code is still logged, the hose may have separated from the differential-pressure sensor or the differential-pressure sensor may be defective (in which case a diagnostic trouble code would also have to be logged for the differential-pressure sensor).

Proceed to the nearest BMW Service facility.

Warning light

KEINE

If the differential-pressure sensor is defective then a diagnostic trouble code for the differential-pressure sensor would also be stored.

DDE

4C63 - P2459

Debounce (100 ms)

Check oil level and oil change intervals.
Conduct exhaust-gas backpressure test to allow assessment of particulate filter condition.
Test of swirl valves/throttle valve using activation and visual inspection.
Check mass-airflow sensor (the error can occur if the HFM is measuring too much air).
Perform mass airflow system test (on engines with single-stage boost).
If swirl valves, throttle valve and mass-airflow sensor are OK: Request/conduct service regeneration if customer engages in short-distance driving.

Warning light

MIL

none

DDE

481A - P14A7

Debounce (20000 ms)

Check oil level and change intervals, correct oil level or perform oil change as indicated.
Check swirl valves.
Check exhaust backpressure.
Check particulate filter (visual inspection of end pipe and ceramic filter element).
Conduct regeneration (possible only during steady-state operation lasting at least 30 minutes. The appropriate service function must be employed to trigger regeneration when this error is present).

Proceed to the nearest BMW Service facility.

Warning light

MIL

After replacing the particulate filter carry out the corresponding service function!

DDE

48D1 - P0471

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

IMPORTANT

If additional diagnostic trouble codes related to the engine have been logged (boost pressure hose fallen off, mass airflow control deviation, defect in air-induction system) then these should receive priority attention, because this fault can also occur as a collateral error!

DDE

48D0 - P0471

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor.

Warning light

MIL

IMPORTANT

DDE

4B93 - P2458

Event debounced (1)

Check particulate filter (aging, defect).

Torque limitation, power reduction.

Warning light

MIL

none

DDE

433A - P0238

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Proceed to the nearest BMW Service facility.

Component hazard possible, avoid WOT/full throttle operation.

Warning light

MIL

none

DDE

433B - P0237

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Proceed to the nearest BMW Service facility.

Component hazard possible, avoid WOT/full throttle operation.

Warning light

MIL

none

DDE

3F00 - P0238

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Power reduction.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

3F01 - P0237

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace boost-pressure sensor.

Power reduction.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4D96 - P0473

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor before turbocharger.

Proceed to the nearest BMW Service facility.

Component hazard possible, avoid WOT/full throttle operation.

Warning light

MIL

none

DDE

4D97 - P0472

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor before turbocharger.

Warning light

MIL

none

DDE

4560 - P0087

Debounce (900 ms)

Check the following potential problem sources

Fuel presupply pressure (low-pressure delivery circuit) is too low (filter obstructed, leak in low-pressure circuit).
Rail-pressure sensor indicates incorrect value.
Leakage in high-pressure circuit.
Injector is sticking open.
Worn high-pressure pump.
Worn injector.
Internal leakage in common rail system.
External leakage in common rail system.
Air in common rail system.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4580 - P0088

Debounce (2000 ms)

Check the following potential problem sources

Possible faults in fuel pre-supply system: pre-supply pressure is too high.
Fuel-quantity control valve sticking in open position.
Fuel-quantity control valve has no power owing to electrical malfunction.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4590 - P0087

Debounce (300 ms)

Check the following potential problem sources

Fuel presupply pressure (low-pressure delivery circuit) is too low (filter obstructed, leak in low-pressure circuit).
Rail-pressure sensor indicates incorrect value.
Leakage in high-pressure circuit.
Injector is sticking open.
Worn high-pressure pump.
Worn injector.
Internal leakage in common rail system.
External leakage in common rail system.
Air in common rail system.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

45A0 - P0088

Debounce (240 ms)

Check the following potential problem sources

Possible faults in fuel pre-supply system: pre-supply pressure is too high.
Fuel-quantity control valve sticking in open position.
Fuel-quantity control valve has no power owing to electrical malfunction.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4600 - P0087

Debounce (800 ms)

Check the following potential problem sources

Fuel presupply pressure (low-pressure delivery circuit) is too low (filter obstructed, leak in low-pressure circuit).
Rail-pressure sensor indicates incorrect value.
Leakage in high-pressure circuit.
Injector is sticking open.
Worn high-pressure pump.
Worn injector.
Leak in rail-pressure control valve.
Internal leakage in common rail system.
External leakage in common rail system.
Air in common rail system.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4620 - P0088

Debounce (2000 ms)

Check the following potential problem sources

Rail-pressure control valve sticking shut.
Electrical malfunction results in continuous power to the rail-pressure control valve.
Filter screen in rail-pressure control valve is obstructed.

Investigate potential problem sources, conduct rail-pressure control system test.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4630 - P0087

Debounce (300 ms)

Check the following potential problem sources

Fuel presupply pressure (low-pressure delivery circuit) is too low (filter obstructed, leak in low-pressure circuit).
Rail-pressure sensor indicates incorrect value.
Leakage in high-pressure circuit.
Injector is sticking open.
Worn high-pressure pump.
Worn injector.
Leak in rail-pressure control valve.
Internal leakage in common rail system.
External leakage in common rail system.
Air in common rail system.

Investigate potential problem sources, conduct rail-pressure control system test.

Attempt to restart the engine after a terminal power-status switch.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4640 - P0088

Debounce (240 ms)

Check the following potential problem sources

Rail-pressure control valve sticking shut.
Electrical malfunction results in continuous power to the rail-pressure control valve.
Filter screen in rail-pressure control valve is obstructed.

Investigate potential problem sources, conduct rail-pressure control system test.

Output governed.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

3F40 - P3000

At start: 30 ms

In post-operational shutdown phase: 100 ms

Check wires and plug connections. Check connections for corrosion!
If wiring and plug connections are OK: Replace rail-pressure sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

3F41 - P3001

At start: 30 ms

In post-operational shutdown phase: 100 ms

Check wires and plug connections. Check connections for corrosion!
If wiring and plug connections are OK: Replace rail-pressure sensor.

Warning light

MIL

none

DDE

3F30 - P0193

Debounce (140 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace rail-pressure sensor.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

3F31 - P0192

Debounce (140 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace rail-pressure sensor.

The error disables regeneration in the particulate filter.

Proceed to the nearest BMW Service facility.

Warning light

MIL_SVS

none

DDE

4BD3 - P207F

Debounce (2000 ms)

Consult customer to clarify whether water may have used to refill the tank.

If yes: Extract all content from tanks and then refill.

If tanks have not yet been filled an efficiency error is present. This is then an exhaust-gas emissions problem. Fault rectification as for DTC 4D17 which will also be present in this case.

Warning light

MIL

none

DDE

4D11 - P20EE

Event debounced (10)

Depending upon the problem source

Refill tank (quality of reduction agent).
Clean/replace (metering module/NOx sensor/SCR converter/particulate filter).

Warning light

MIL

none

DDE

4D12 - P20EE

Event debounced (10)

Depending upon the problem source

Refill tank.
Clean/replace (metering valve/NOx sensor/SCR converter/particulate filter).

Warning light

MIL

DDE

4D17 - P20EE

Event debounced (4)

Refill tank with new fluid
Use diagnostic system to test SCR converter.
Check metering valve.
Check NOx sensors.
Replace SCR converter

Warning light

KEINE

Quality (quality determination): Extract contents from tank and then refill.
NOx sensor before or behind SCR converter (identified by corresponding diagnostic trouble code entry in ECU error memory) furnishing implausible data
Defective SCR converter, check with SCR converter system test
Coating on diesel particulate filter (indicated by DTC 4B91)
Check operation of metering valve.

DDE

4D18 - P20EE

Event debounced (4)

Warning light

KEINE

none

DDE

46E8 - P20EE

Event debounced (8)

Warning light

KEINE

none

DDE

4D16 - P20EE

Event debounced (4)

Refill SCR system tank with new fluid
Use diagnostic system to test SCR converter.
Check metering valve.
Check NOx sensors.
Inspect metering module for correct installation position and contamination.

If results of all tests are OK

Replace SCR converter.

Warning light

MIL

Quality determination: Extract contents from tank and then refill.
NOx sensor before or behind SCR converter (identified by corresponding diagnostic trouble code entry in ECU error memory) furnishing implausible data
Defective SCR converter, check with SCR converter system test
Coating on diesel particulate filter (indicated by DTC 4B91)
Check operation of metering valve.

DDE

4955 - P229F

Event debounced (1)

Check wires and plug connections.
If wiring and plug connections are OK: Replace NOx sensor behind SCR converter.

Warning light

MIL

none

DDE

4BB3 - P2201

Event debounced (1)

Warning light

MIL

none

DDE

4BB2 - P2201

Event debounced (1)

Warning light

MIL

none

DDE

46F2 - P204F

Debounce (1000 ms)

Use diagnostic system to check temperature upstream from SCR converter and then replace as indicated.
SCR metering system, check pressurization function, replace as indicated.
If the fault source is a battery replacement or undervoltage: Clear diagnostic trouble codes from ECU error memory.

Warning light

MIL

Plausibility check on data after 5 minutes at idle: Temperature sensor on engine-side of SCR converter, temperature sensor before oxidation catalyst, temperature sensor before diesel particulate filter
Check pressure build-up in the SCR metering system test module

DDE

4952 - P20E9

Debounce (0 ms)

Use diagnostic system to check pressurization level.
Check plausibility of temperature and pressure levels within the active tank, if implausible values are present: Check ground wires for short circuits to B+. Replace wires and plug connections.
Replace delivery module.

Warning light

MIL

none

DDE

4D02 - P20E8

Debounce (0 ms)

Depends on cause

Refill reduction medium.
Replace any leaking components.
Replace delivery module.

Warning light

MIL

Is reduction agent in the tank (check tank levels)?

In winter: Is the tank completely frozen, meaning that no reduction agent is at the pick-up point?

Is the delivery module drawing air between the pick-up point in the tank and the delivery module? Is a major leak present in the metering system (perform SCR system test and visual inspection for leaks)? Is the metering module sticking open?

DDE

463E - P20E9

Event debounced (3)

If ice has formed, thaw system

Allow the engine to idle while the vehicle remains parked, the heater units will be activated automatically. Determine whether the fault is still present once the system has thawed.

If no ice is present

Replace delivery module.

Warning light

MIL

none

DDE

4804 - P20E8

Event debounced (1)

Depends on cause

Refill reduction medium.
Replace leaking components.
Replace delivery module.

Warning light

MIL

Is reduction agent in the tank (check tank levels)?

In winter: Is the tank completely frozen, meaning that no reduction agent is at the suction point?

Is the delivery module drawing air between the suction point in the tank and the delivery module? Is a major leak present in the metering system (perform SCR system test and visual inspection for leaks)? Is the metering module sticking?

DDE

4809 - P20A5

Event debounced (3)

Replace delivery module.

Warning light

MIL

If the error occurs in combination with 4D02 and 4804 then the pump in the delivery module is defective (the pump is also employed for rapid depressurization).

DDE

4D35 - P208E

Event debounced (150)

Check wires and plug connections.
If wiring and plug connections are OK
Use the diagnostic tester to activate the metering module and then listen for a ticking sound.
If an audible noise is present delete the stored DTCs from the error memory. The metering module is not defective.
If no sound is heard, remove the metering module and rinse it with water to remove crytallized deposits. Install the module again and activate it using the diagnostic tester. If a ticking sound is now audible the module is once again operational. Delete stored DTCs from error memory.
No noise is audible replace the metering module.

Warning light

MIL

none

DDE

4D20 - P20A5

Event debounced (1)

Use the diagnostic system to activate the suction valve.
Replace delivery module.

Warning light

MIL

none

DDE

4D10 - P209F

No debouncing.

Use diagnostic system to check active tank temperature sensor's transmitted data for plausibility.
Check active tank heating system: Transmit activation signal to heater and check current.
Check wires and plug connections at active tank heater and active tank temperature sensor.
Replace the active tank.

Warning light

MIL

Specified current during activation: at least 400 uA.

If defects related to the temperature sensor and/or wiring are present, then diagnostic trouble codes for the sensors must also be logged.

DDE

4BF4 - P244B

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas differential-pressure sensor.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4B7E - P0473

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor before turbocharger.

Proceed to the nearest BMW Service facility.

Component hazard possible.

Warning light

MIL

none

DDE

4020 - P2033

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before particulate filter.

Warning light

MIL

none

DDE

4714 - P242D

Debounce (1000 ms) 1000 ms.

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before the SCR converter.

Warning light

MIL

none

DDE

4704 - P204D

Debounce (400 ms)

Check wires and plug connections. The power-supply voltage is up to 4.9V.
If wiring and plug connections are OK
Check pressure sensor.
Replace delivery module.

Warning light

MIL

For access reasons, start by checking wires between transfer plug and DDE (E70): behind the front bumper, E90): behind left rear wheel).

DDE

4BF9 - P244A

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas differential-pressure sensor.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4B7F - P0472

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas pressure sensor before turbocharger.

Proceed to the nearest BMW Service facility.

Component hazard possible.

Warning light

MIL

none

DDE

4021 - P2032

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before particulate filter.

Warning light

MIL

none

DDE

4719 - P242C

Debounce (1000 ms) 1000 ms.

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before the SCR converter.

Warning light

MIL

none

DDE

4709 - P204C

Debounce (400 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Check pressure sensor.
Replace delivery module.

Warning light

MIL

When no pressure is present the sensor transmits a signal of 500 mV. If the value is not transmitted then the sensor or the power supply is defective.

For access reasons, start by checking wires between transfer plug and DDE (E70): behind the front bumper, E90): behind left rear wheel).

DDE

4670 - P0641

Debounce (80 ms)

Check all of the components connected to sensor power-supply voltage 1 for corresponding diagnostic trouble codes (short circuit).

If this kind of diagnostic trouble code is entered in the ECU

Conduct fault diagnosis for the affected component.

If no diagnostic trouble code of this type has been logged

Replace DDE control module.

Warning light

MIL_SVS

none

DDE

4680 - P0651

Debounce (80 ms)

Check all of the components connected to sensor power-supply voltage 2 for corresponding diagnostic trouble codes (short circuit).

If this kind of diagnostic trouble code is entered in the ECU

Conduct fault diagnosis for the affected component.

If no diagnostic trouble code of this type has been logged

Replace DDE control module.

Warning light

MIL

none

DDE

4690 - P0697

Debounce (80 ms)

Check all of the components connected to sensor power-supply voltage 3 for corresponding diagnostic trouble codes (short circuit).

If this kind of diagnostic trouble code is entered in the ECU

Conduct fault diagnosis for the affected component.

If no diagnostic trouble code of this type has been logged

Replace DDE control module.

Warning light

MIL

none

DDE

4830 - P0113

Debounce (200 ms)

Warning light

MIL

none

DDE

4831 - P0112

Debounce (200 ms)

Warning light

MIL

none

DDE

4BA0 - P0113

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace mass-airflow sensor.

Warning light

MIL

none

DDE

436A - P007C

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace charge-air temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4390 - P007D

Debounce (150 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace charge-air temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4391 - P007C

Debounce (150 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace charge-air temperature sensor.

Proceed to the nearest BMW Service facility.

Warning light

MIL

none

DDE

4D76 - P007B

None.

Check wires and plug connections.
If wiring and plug connections are OK: Replace charge-air temperature sensor.

Warning light

MIL

If electrical sensor faults are present (short circuit, open circuit) these should also be logged.

DDE

4D90 - P040C

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind EGR cooler.

Warning light

MIL

none

DDE

4D87 - P040D

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind EGR cooler.

Warning light

MIL

none

DDE

4D88 - P040C

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind EGR cooler.

Warning light

MIL

none

DDE

498C - P041C

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind low-pressure EGR cooler.

Warning light

MIL

none

DDE

4D82 - P041D

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind low-pressure EGR cooler.

Warning light

MIL

none

DDE

4D83 - P041C

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor behind low-pressure EGR cooler.

Warning light

MIL

none

DDE

4D71 - P0545

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before catalytic converter.

Warning light

MIL

none

DDE

4987 - P0546

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Exhaust-gas temperature sensor before oxidation catalyst.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4986 - P0545

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Exhaust-gas temperature sensor before oxidation catalyst.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4D6C - P2032

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Exhaust-gas temperature sensor before the particulate filter.

Warning light

MIL

none

DDE

4677 - P0638

Debounce (0 ms)

Warning light

MIL

none

DDE

4687 - P0638

Debounce (0 ms)

Warning light

MIL

none

DDE

4697 - P0638

Debounce (0 ms)

Warning light

MIL

none

DDE

49E7 - P0638

Debounce (0 ms)

Warning light

MIL

none

DDE

43E2 - P2620

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace throttle-valve actuator.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

43E3 - P0638

Debounce (50 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE ECU.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

43C0 - P2622

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace throttle-valve actuator.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

43D1 - P2621

Debounce (2400 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace throttle-valve actuator.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4707 - P0243

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace wastegate valve vacuum converter.

The error disables regeneration in the particulate filter.

Warning light

MIL_SVS

none

DDE

4708 - P0244

Debounce (50 ms)

E90-M57D30T2-AT-LEVII

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

The error disables regeneration in the particulate filter.

Warning light

MIL_SVS

none

DDE

46E5 - P0246

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace wastegate valve vacuum converter.

The error disables regeneration in the particulate filter.

Warning light

MIL_SVS

none

DDE

46F6 - P0245

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace wastegate valve vacuum converter.

The error disables regeneration in the particulate filter.

Warning light

MIL_SVS

none

DDE

41A2 - P0045

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: With single-stage boost: Replace charge-air pressure controller. With multi-stage boost: Replace turbine control flap pressure converter.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

41A3 - P0046

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4180 - P0048

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: With single-stage boost: Replace charge-air pressure controller. With multi-stage boost: Replace turbine control flap pressure converter.

The error disables regeneration in the particulate filter.

Warning light

MIL

none

DDE

4191 - P0047

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: With single-stage boost: Replace charge-air pressure controller. With multi-stage boost: Replace turbine control flap pressure converter.

The error disables regeneration in the particulate filter.

Warning light

MIL_SVS

none

DDE

4D5C - P242C

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace exhaust-gas temperature sensor before the SCR converter.

Warning light

MIL

none

DDE

47FE - P2062

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace metering module.

Warning light

MIL

none

DDE

47FF - P202F

Debounce (1000 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

2. Replace DDE control module.

Warning light

MIL

none

DDE

4C7C - P2064

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace SCR metering module.

Warning light

MIL

none

DDE

47F4 - P2064

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to check metering module.
Replace metering module.

Warning light

MIL

none

DDE

4C7B - P2063

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace SCR metering module.

Warning light

MIL

none

DDE

47F9 - P2063

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic tester to test metering module.
Replace metering module.

Warning light

MIL

none

DDE

4603 - P10DA

Event debounced (1)

If the DTC 45F1 also appears: Replace power switch.
Repair sources of electrical tracking and arcing (moisture in the wiring or plug connections).
Check the resistance in the metering line heating system.
Replace power switch.
Replace the metering line.

Warning light

MIL

Resistance in the metering line heating system

E70: 3.8 - 4.4 ohms

E90: 1.5 - 1.7 ohms

DDE

4602 - P10DB

Event debounced (1)

Check wires and plug connections.
If wiring and plug connections are OK
Check resistance in the metering line heating unit
Replace metering line heating unit.

Warning light

MIL

Resistance in the metering line heating system

E70: 3.8 - 4.4 ohms

E90: 1.5 - 1.7 ohms

DDE

4601 - P20B5

Event debounced (1)

Check resistance of delivery module heater unit.
Replace delivery module.

Warning light

MIL

Delivery module heating unit resistance

2.9 - 5.5 ohms

DDE

45F1 - P20B8

Event debounced (1)

If the DTC 4603 also appears at the same time: Replace power switch. Repair sources of electrical tracking and arcing (moisture in the wiring or plug connections).
Check resistance of the delivery module's heating system.
Replace power switch.

Warning light

MIL

If the new version of the power switch is installed measure the resistance of the delivery module heating system's circuits.

Delivery module heater resistance

2.9 - 5.5 ohms

DDE

4C72 - P20B5

Debounce (15000 ms)

Check the control wire and the diagnostic wire.
If wiring and plug connections are OK
Check plug connections for moisture.
Use diagnostic system to test heating systems.
Replace power switch.

Warning light

MIL

The power switch transmits an activation signal to all heaters. The first heater circuit is for the active tank heater, the second heater circuit is for the delivery module and the metering line.

The control wire should not be in contact with ground or B+ when the DDE and power switch are unplugged.

DDE

49E5 - P20B6

Debounce (2200 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to activate the heater.
Replace metering line.

Warning light

MIL

Measure resistance in the metering line

Can only occur with earlier power switch installed prior to 09/2009.

DDE

4968 - P20B6

Event debounced (1)

1.a) If this error appears together with DTC 49E5: Fault in metering wire, check resistance.
1.b) If the error appears alone check the resistance in the delivery module heating system.
2. Defective delivery module heating system.
3. Metering line heater defective.

Warning light

MIL

none

DDE

49E2 - P20B5

Event debounced (1)

Check resistance of heater elements.
Check heater wires for short circuits to ground.

Warning light

MIL

none

DDE

49ED - P202A

Debounce (15000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace power switch.

Warning light

MIL

Check the control-activation wire for a short circuit to ground. The power switch transmits an activation signal to all heaters. The first heater circuit is for the active tank heater, the second heater circuit is for the delivery module and the metering line.

The control-activation wire should have no continuity with either ground or positive when disconnected from the DDE and the power switch.

DDE

49E1 - P209F

Debounce (2200 ms)

Top up reduction agent and check fluid level using the diagnostic system.

If it is not possible to repair the problem by refilling with reduction agent

Check wires and plug connections.
If wiring and plug connections are OK
Check the heating system using the diagnostic system.
Determine the level of electrical resistance in the tank's heating system.
Check active tank heating system
Replace power switch.

Warning light

MIL

Refill reduction agent to avoid air bubble. Repeat activation of heater and check current signal (specified: 5 - 9 A) Check with tester.

Tank heating system resistance specifications

1.5 - 2.4 ohms

DDE

49DC - P202C

Event debounced (1)

Check resistance of heater elements.
Check heater wires for short circuits to ground.

Warning light

MIL

Measure the resistance of the active tank's heating system at the power switch: Specified readings: 1.5 - 2.4 ohms

DDE

46C4 - P20BD

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Inspect fuse.
Replace relay.
Replace power switch.

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

If DTC 4C72 or 49ED is logged, this is a collateral error and shuts down the relay. Repair this malfunction and delete stored DTCs from the error memory.

DDE

46C9 - P20C0

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to activate the heater.
Replace power switch.

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

DDE

46CE - P20BF

Debounce (1000 ms)

Check wires and plug connections.
Defective power switch.
Defective fuse.
Defective relay.

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

If DTC 4C72 or 49ED is logged, this is a collateral error and shuts down the relay. Repair this malfunction and delete stored DTCs from the error memory.

DDE

46DE - P20C0

Debounce (50 ms)

E90-M57D30T2-AT-LEVII

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Check resistances in heating circuit.
Inspect fuse.
Use diagnostic system to test heating systems.
Replace power switch.
Replace metering line heater.

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

Perform electrical checks of resistances in heater circuit at power switch. Heater circuit metering wire specifications

E70: 3.8 - 4.4 ohms

E90: 1.5 - 1.7 ohms

Heater circuit delivery module specifications

2.9 - 5.5 ohms

DDE

46E4 - P202A

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnosis to activate heating systems.
Inspect fuse.
Replace power switch (relay).

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

If DTC 4C72 or 49ED is logged, this is a collateral error and shuts down the relay. Repair this malfunction and delete stored DTCs from the error memory.

DDE

46E9 - P202C

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnosis to activate heating systems.
Replace power switch.

Warning light

MIL

none

DDE

46EE - P202B

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnosis to activate heating systems.
Check fuses.
Replace power switch.

Warning light

MIL

Heater circuit 2 is for the metering wire and delivery module.

If DTC 4C72 or 49ED is logged, this is a collateral error and shuts down the relay. Repair this malfunction and delete stored DTCs from the error memory.

DDE

46D4 - P202A

Debounce (50 ms)

E90-M57D30T2-AT-LEVII

Debounce (500 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Check resistances in heating circuits.
Inspect fuse.
Use diagnostic system to test heating systems.
Replace power switch.
Check active tank heating system

Warning light

MIL

Perform electrical checks of resistances in heater circuit at power switch. Active tank heating circuit specifications

1.5 - 2.4 ohms

DDE

4BCD - P21A9

Debounce (30000 ms)

If the reduction agent is frozen: Allow the tank to thaw.

If the reduction agent is not frozen

Completely fill tank.

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to check fluid level.
Replace passive tank.

Warning light

MIL

When a plausibility error is present the higher level sensor recognizes a fluid level (conductivity) while the lower level sensor does not.

In winter: For example, when a frozen passive tank is refilled, the lower sensor might be encapsulated in ice, while the upper sensor would recognize conductivity.

The level sensor's conductivity can also be assessed as follows

Use the diagnostic system to read out the tank fluid level.
Delete the DTCs from the error memory and carry out the quick-test procedure for the individual control modules. Watch for new DTC entries.

If the DTC 4BCB is present at the same time it must be repaired first.

DDE

4BCC - P21A8

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to check sensor signal.
Replace passive tank.

Warning light

MIL

Measure the resistance levels at the fluid-level sensor between pins 1 and 2, and between pins 3 and 4. The tank must be empty for this measurement.

Normal resistance with empty tank: 10 kOhm.

Resistance levels in excess of 12 kOhms indicate that the fluid-level sensor is defective.

DDE

4BCB - P21A8

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace electronic processing circuitry for the passive tank's fluid-level sensors.

Warning light

MIL

none

DDE

47EE - P208A

Debounce (8000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Check fuse
Use diagnostic system to check pressurization.
Replace delivery module.

Warning light

MIL

The wire that activates the delivery pump is open. No 12-volt power supply is present.
Open circuit in voltage supply to active tank. In this case the DTC 46AF is also present.

DDE

47E4 - P208D

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to test delivery module.
Replace delivery module.

Warning light

MIL

none

DDE

47E9 - P208C

Debounce (8000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to test delivery module.
Replace delivery module.

Warning light

MIL

If the wires are OK and the pump indicates a short circuit to ground replace the delivery module.

DDE

4D51 - P204D

Debounce (10000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to check pressure sensor.
Replace delivery module.

Warning light

MIL

This fault is the result of a wiring defect.

DDE

4D36 - P204B

Debounce (600 ms)

Use diagnostic system to test the pressure sensor.
Replace delivery module.

Warning light

MIL

none

DDE

46AF - P20A0

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to activate switch valve.
Check switch valve resistance.
Inspect fuse.
Replace delivery module.

Warning light

MIL

Specification for coil resistance in the delivery module: 9-13 ohms.

DDE

46BF - P20A3

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace delivery module.

Warning light

MIL

none

DDE

46CF - P20A2

Debounce (1000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Replace delivery module.

Warning light

MIL

none

DDE

4BAD - P203B

Debounce (15000 ms)

If the reduction agent is frozen: Allow the active tank to thaw. Delete the diagnostic trouble code from the ECU.
If the reduction agent is not frozen: Check wires and plug connections. If wiring and plug connections are OK: Use diagnostic system to check fluid level in active tank. Check to determine whether DTC 4BAB is present. Repair this first. Replace the active tank.

Warning light

MIL

In winter: Allow the tank to thaw. Check level. Delete the diagnostic trouble code from the ECU.

If the DTC 4BAB is present at the same time it must be repaired first.

DDE

4BAC - P203A

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use the diagnostic system to check the fluid levels.
Replace the active tank.

Warning light

MIL

Measure the resistance levels on the level sensor between reference (pin 1) and tank level 1-3 (pins 2-4). The tank must be empty for the measurement.

Nominal value with tank empty: 10 kOhm

Resistance levels in excess of 12 kOhms indicate a defective fluid-level sensor.

DDE

4BAB - P203A

Debounce (2000 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use the diagnostic system to check the fluid sensor.
Replace the electronic processing circuitry for the active tank's fluid-level sensors.

Warning light

MIL

none

DDE

46F4 - P205D

Debounce (600 ms)

1. Check wires and plug connections.
2. If wiring and plug connections are OK
4. Use diagnostic module to test temperature sensor's plausibility.
3. Replace active tank temperature sensor.

Warning light

MIL

Specified active tank temperature sensor resistance: 12.3-12.6 kOhms at 20 °C.

DDE

46F9 - P205C

Debounce (600 ms)

Check wires and plug connections.
If wiring and plug connections are OK
Use diagnostic system to test temperature sensor.
Replace sensor

Warning light

MIL

none

DDE

492C - P205B

Debounce (16000 ms)

Fill active tank.
Execute "refill recognition" service function.
Use the diagnostic system to read out the tank's contents and temperature and the data for the transfer pump and then examine them. Delete the DTC is plausible figures are indicated.
Replace temperature sensor.
Replace the transfer-pump assembly.

Warning light

MIL

In winter

The temperature sensor is defective if a valid level signal is present at temperatures below -20°C.

DDE

4D32 - P205B

Debounce (2000 ms)

Use diagnostic system to check temperature sensor for plausible reading.
Replace temperature sensor.

Warning light

MIL

none

DDE

4D33 - P205B

Debounce (2000 ms)

Use diagnostic system to check temperature sensor for plausible reading.
Replace temperature sensor.

Warning light

MIL

none

DDE

46A7 - P200A

Debounce (0 ms) Following detection of an error window the error counter is raised and the error timer is started.

If an additional error is recognized within the time 6600 ms the error counter is raised again and the timer is restarted.

If no error is recognized within the time, the error counter is reset to zero and the timer is stopped.

The diagnostic trouble code is logged when the error counter reaches the limit 3.

Check the swirl-valve actuator for freedom of movement, replace as indicated.

Warning light

MIL_SVS

none

DDE

46B7 - P200A

Debounce (0 ms) Following detection of an error window the error counter is raised and the error timer is started.

If an additional error is recognized within the time 6600 ms the error counter is raised again and the timer is restarted.

If no error is recognized within the time, the error counter is reset to zero and the timer is stopped.

When the error counter reaches the limit 3 the diagnostic trouble code is logged.

Check wires and plug connections.
If wiring and plug connections are OK: Replace swirl-valve actuator.

Warning light

MIL

none

DDE

46C7 - P200A

Debounce (0 ms) Following detection of an error window the error counter is raised and the error timer is started.

If an additional error is recognized within the time 6600 ms the error counter is raised again and the timer is restarted.

If no error is recognized within the time, the error counter is reset to zero and the timer is stopped.

When the error counter reaches the limit 3 the diagnostic trouble code is logged.

Check wires and plug connections.
If wiring and plug connections are OK: Replace swirl-valve actuator.

Warning light

MIL

none

DDE

49F7 - P200A

Debounce (0 ms) Following detection of an error window the error counter is raised and the error timer is started.

If an additional error is recognized within the time 6600 ms the error counter is raised again and the timer is restarted.

If no error is recognized within the time, the error counter is reset to zero and the timer is stopped.

When the error counter reaches the limit 1 the diagnostic trouble code is logged.

Check swirl-valve actuator.

Warning light

MIL

none

DDE

4152 - P2008

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace swirl-valve actuator.

Warning light

MIL

none

DDE

4153 - P200A

Debounce (220 ms)

Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling are OK

Replace DDE control module.

Warning light

MIL

none

DDE

4130 - P2010

Debounce (220 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace swirl-valve actuator.

Warning light

MIL

none

DDE

4141 - P2009

Debounce (10200 ms)

Check wires and plug connections.
If wiring and plug connections are OK: Replace swirl-valve actuator.

Warning light

MIL

none

DDE

3F53 - P0501

Debounce (2000 ms)

Warning light

MIL

none

DDE

3F62 - P0500

Debounce (1500 ms)

Troubleshooting in transmitting control module.

Warning light

MIL

none

Self Diagnosis - Diagnostic Trouble Codes (M57): Other BMW X5 M E70 рестайлинг

Information saved in

Fault code

Condition for fault memory entry

Action in service

Fault effect and breakdown warning

Driver information

Service instruction

More articles — Self Diagnosis - Diagnostic Trouble Codes (M57)

Login / Signup

Enter the code

You have successfully logged in!