BMW engine electronics fault codes
The 58 fault codes the engine electronics can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.
On: 8 Series (E31), 7 Series (E32), 5 Series (E34)
- 0001 Fuel pump relay
- 0002 Idle actuator / closing winding
- 0003 Fuel injector cylinder 1
- 0004 Fuel injector cylinder 4
- 0005 Fuel injector cylinder 6
- 0006 Unknown fuel injector
- 0007 Fuel injector cylinder 7
- 0008 Malfunction indicator lamp
- 000C Oxygen sensor signal probe 2
- 000D Oxygen sensor signal probe 1
- 000F Ignition circuit monitoring
- 0010 Crankshaft sensor
- 0011 Camshaft sensor
- 0013 Secondary air pump
- 0016 Ignition cylinder 7
- 0017 Ignition cylinder 6
- 0018 Ignition cylinder 4
- 0019 Ignition cylinder 1
- 001A Control unit permanent power
- 001D Idle actuator / opening winding
- 001F Fuel injector cylinder 5
- 0020 Fuel injector cylinder 8
- 0021 Fuel injector cylinder 3
- 0023 Fuel injector cylinder 2
- 0024 Tank vent valve
- 0025 Oxygen sensor heater relay
- 0029 Hot film air mass meter
- 002A Speed signal
- 0030 Air conditioner compressor control
- 0031 Ignition cylinder 2
- 0032 Ignition cylinder 3
- 0033 Ignition cylinder 8
- 0034 Ignition Cylinder 5
- 0036 Battery voltage
- 003E EML signal
- 0041 Air conditioning compressor input
- 0042 Line fault DWA/EWS input (short circuit or open circuit)
- 0043 Knock sensor 4
- 0044 Knock sensor 3
- 0045 Knock sensor 2
- 0046 Knock sensor 1
- 0049 Throttle valve potentiometer
- 004D Intake air temperature sensor
- 004E Coolant temperature sensor
- 0052 MSR intervention
- 0053 ASC intervention
- 0064 Unknown output stage group 1
- 0065 Unknown output stage group 2
- 00C8 Control unit self-test
- 00C9 Lambda integrator Bank 1
- 00CA Fault memory content
- 00CB Lambda integrator Bank 2
- 00CC LL engine speed increase CAN bus
- 00CD Transmission intervention
- 00CE Knock control test pulse
- 00CF Knock control regulation voltage
- 00D2 CAN transmission message
- 00DC EWS data transmission error, message (code, parity) incorrect
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