BMW engine electronics fault codes

The 531 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: 3 Series (E46), X3 (E83), 1 Series (E87), 3 Series (E90), 3 Series (E91)

  • 3E90 3E90 crankshaft sensor
  • 3E91 3E91 Crankshaft sensor
  • 3EB0 3EB0 Engine speed calculation
  • 3EC0 3EC0 camshaft sensor
  • 3EC1 3EC1 Camshaft sensor
  • 3EC7 3EC7 Monitoring master/slave
  • 3EE0 3EE0 (279) Coolant temperature sensor
  • 3EE1 3EE1 (280) Coolant temperature sensor
  • 3EE2 3EE2 Coolant temperature sensor
  • 3EE3 3EE3 Coolant temperature sensor
  • 3EF3 3EF3 (277) Coolant temperature sensor plausibility
  • 3F00 3F00 (568) Charge pressure sensor
  • 3F01 3F01 (567) Charge pressure sensor
  • 3F02 3F02 (565) Charge pressure sensor
  • 3F03 3F03 (566) Charge pressure sensor
  • 3F05 3F05 (1793) MIL OFF
  • 3F10 3F10 Accelerator pedal module potentiometer 1
  • 3F11 3F11 Accelerator pedal module potentiometer 1
  • 3F13 3F13 Accelerator pedal module potentiometer 1
  • 3F15 3F15 (1792) MIL On
  • 3F20 3F20 accelerator pedal module potentiometer 2
  • 3F21 3F21 Accelerator pedal module potentiometer 2
  • 3F23 3F23 Accelerator pedal module potentiometer 2
  • 3F25 3F25 intake air hose monitoring
  • 3F30 3F30 (403) Rail pressure sensor
  • 3F31 3F31 (402) Rail pressure sensor
  • 3F35 3F35 Charge air hose monitoring at idle
  • 3F40 3F40 (12288) Rail pressure sensor offset test
  • 3F41 3F41 (12289) Rail pressure sensor offset test
  • 3F47 3F47 Redundant evaluation brake light / brake test switch
  • 3F48 3F48 Redundant evaluation brake light / brake test switch
  • 3F50 3F50 (1283) Vehicle speed signal
  • 3F52 3F52 Vehicle speed signal
  • 3F53 3F53 (1281) Vehicle speed signal
  • 3F62 3F62 (1280) Vehicle speed signal via CAN
  • 3F70 3F70 Intake air temperature sensor
  • 3F71 3F71 Intake air temperature sensor
  • 3F72 3F72 Intake air temperature sensor
  • 3F80 3F80 Ambient temperature sensor (nv)
  • 3F81 3F81 Ambient temperature sensor (nv)
  • 3F82 3F82 Ambient temperature sensor (nv)
  • 3F90 3F90 Oil pressure sensor (nv)
  • 3F91 3F91 Oil pressure sensor (nv)
  • 3FA0 3FA0 Oil temperature sensor
  • 3FA1 3FA1 Oil temperature sensor
  • 3FA2 3FA2 Oil temperature sensor
  • 3FC0 3FC0 (4705) Mass air flow sensor
  • 3FD0 3FD0 (4706) Mass air flow sensor
  • 3FE0 3FE0 (12897) Air Mass Meter
  • 3FE1 3FE1 (12898) Air Mass Meter
  • 3FF0 3FF0 (12899) Air Mass Meter
  • 3FF1 3FF1 (12900) Air Mass Meter
  • 4000 4000 Fuel Temperature Sensor
  • 4001 4001 Fuel Temperature Sensor
  • 4010 4010 Exhaust Back Pressure Sensor Before Particulate Filter
  • 4011 4011 Exhaust Back Pressure Sensor Before Particulate Filter
  • 4020 4020 Exhaust Gas Temperature Sensor Before Particulate Filter
  • 4021 4021 Exhaust Gas Temperature Sensor Before Particulate Filter
  • 4030 4030 Exhaust Gas Temperature Sensor Before Catalytic Converter (nv)
  • 4031 4031 Exhaust Gas Temperature Sensor Before Catalytic Converter (nv)
  • 4032 4032 Exhaust Gas Temperature Sensor Before Catalytic Converter (nv)
  • 4060 4060 (8745) Ambient Pressure Sensor (integrated in control unit)
  • 4061 4061 (8744) Ambient Pressure Sensor (integrated in control unit)
  • 4062 4062 Ambient pressure sensor (built into control unit)
  • 4072 4072 Clutch switch
  • 4073 4073 Clutch switch
  • 4082 4082 Brake light / brake test switch
  • 4083 4083 Brake light / brake test switch
  • 4093 4093 Error path for AccPed and Brake Plausibility (nv)
  • 40E0 40E0 Generator
  • 4112 4112 Fault path of air condition power stage (nv)
  • 4113 4113 Fault path of air condition power stage (nv)
  • 4120 4120 DDE main relay
  • 4121 4121 DDE main relay
  • 4130 4130 (5157) Swirl flap
  • 4141 4141 (5158) Swirl flap
  • 4152 4152 (5159) Swirl flap
  • 4153 4153 (5160) Swirl flap
  • 4155 4155 Exhaust flap
  • 4156 4156 Exhaust flap
  • 4157 4157 Exhaust flap
  • 4158 4158 Exhaust flap
  • 4165 4165 Particulate filter system
  • 4166 4166 Particulate filter system
  • 4175 4175 Particulate filter system
  • 4176 4176 Particulate filter system
  • 4178 4178 Particulate filter system
  • 4180 4180 (4689) Boost pressure actuator
  • 4185 4185 Particulate filter system
  • 4186 4186 Particulate filter system
  • 4188 4188 Particulate filter system
  • 4191 4191 (4690) Boost pressure actuator
  • 4195 4195 Air conditioning torque request
  • 41A2 41A2 (4691) Boost pressure actuator
  • 41A3 41A3 (4692) Boost pressure actuator
  • 41A7 41A7 Message (CBS_RESET, 0x580)
  • 41A8 41A8 Message (CBS_RESET, 0x580)
  • 41B0 41B0 (4626) Exhaust gas recirculation actuator
  • 41B5 41B5 Fault path for Transmission Temperature
  • 41C0 41C0 Vent valve control
  • 41C1 41C1 Vent valve control
  • 41C2 41C2 Vent valve control
  • 41C3 41C3 Vent valve control
  • 41D1 41D1 (4627) Exhaust gas recirculation actuator
  • 41D5 41D5 Oxygen sensor trim current
  • 41D6 41D6 Oxygen sensor trim current
  • 41D7 41D7 Oxygen sensor trim current
  • 41D8 41D8 Oxygen sensor trim current
  • 41E2 41E2 (4742) Exhaust gas recirculation actuator
  • 41E3 41E3 (4713) Exhaust gas recirculation actuator
  • 41E5 41E5 Oxygen sensor pump current
  • 41E6 41E6 Oxygen sensor pump current
  • 41E7 41E7 Oxygen sensor pump current
  • 41E8 41E8 Oxygen sensor pump current
  • 41F0 41F0 electric fan
  • 41F1 41F1 Electric fan
  • 41F2 41F2 Electric fan
  • 41F3 41F3 Electric fan
  • 41F5 41F5 Oxygen sensor virtual ground
  • 41F6 41F6 Oxygen sensor virtual ground
  • 41F7 41F7 Oxygen sensor virtual ground
  • 41F8 41F8 Oxygen sensor virtual ground
  • 4203 4203 Glow control unit
  • 4205 4205 Oxygen sensor heating
  • 4206 4206 Oxygen sensor heating
  • 4207 4207 Oxygen sensor heating
  • 4208 4208 Oxygen sensor heating
  • 4211 4211 Glow plug cylinder 1
  • 4212 4212 Glow plug cylinder 1
  • 4213 4213 Glow plug cylinder 1
  • 4217 4217 Oxygen sensor heating coupling
  • 4221 4221 Glow plug cylinder 2
  • 4222 4222 Glow plug cylinder 2
  • 4223 4223 Glow plug cylinder 2
  • 4225 4225 Oxygen sensor
  • 4226 4226 Oxygen sensor
  • 4231 4231 Glow plug cylinder 3
  • 4232 4232 Glow plug cylinder 3
  • 4233 4233 Glow plug cylinder 3
  • 4235 4235 Oxygen sensor zero point correction
  • 4236 4236 Oxygen sensor zero point correction
  • 4241 4241 Glow plug cylinder 4
  • 4242 4242 Glow plug cylinder 4
  • 4243 4243 Glow plug cylinder 4
  • 4245 4245 Oxygen sensor temperature evaluation
  • 4246 4246 Oxygen sensor temperature evaluation
  • 4251 4251 Glow plug cylinder 5
  • 4252 4252 Glow plug cylinder 5
  • 4253 4253 Glow plug cylinder 5
  • 4258 4258 Oxygen sensor control unit internal
  • 4261 4261 Glow plug cylinder 6
  • 4262 4262 Glow plug cylinder 6
  • 4263 4263 Glow plug cylinder 6
  • 4267 4267 Oxygen sensor shunt detection
  • 4271 4271 Glow plug cylinder 7
  • 4272 4272 Glow plug cylinder 7
  • 4273 4273 Glow plug cylinder 7
  • 4275 4275 Oxygen sensor temperature evaluation
  • 4276 4276 Oxygen sensor temperature evaluation
  • 4281 4281 Glow plug cylinder 8
  • 4282 4282 Glow plug cylinder 8
  • 4283 4283 Glow plug cylinder 8
  • 4287 4287 Oxygen sensor plausibility validation
  • 4288 4288 Oxygen sensor plausibility validation
  • 4293 4293 Control unit internal 16
  • 4296 4296 Oxygen sensor plausibility validation
  • 4298 4298 Oxygen sensor plausibility validation
  • 42B1 42B1 Glow relay (nv)
  • 42B2 42B2 Glow relay (nv)
  • 42B5 42B5 Engine speed monitoring
  • 42C0 42C0 Oil pressure warning light
  • 42C1 42C1 Oil pressure warning light
  • 42C2 42C2 Oil pressure warning light
  • 42C3 42C3 Oil pressure warning light
  • 42C7 42C7 ZMS oscillation monitoring
  • 42D0 42D0 Power Stage fault status for MIL (nv)
  • 42D1 42D1 Power Stage fault status for MIL (nv)
  • 42D2 42D2 Power Stage fault status for MIL (nv)
  • 42D3 42D3 Power Stage fault status for MIL (nv)
  • 42E2 42E2 Switchover rail pressure control PCV
  • 42F2 42F2 Switchover rail pressure control MeUn
  • 4302 4302 (1) Quantity control valve
  • 4303 4303 (4753) Quantity control valve
  • 4310 4310 (4) Quantity control valve
  • 4321 4321 Quantity control valve
  • 4325 4325 Message (DREHMOMENT_ANF_SSG, 0xBD)
  • 4326 4326 Message (DREHMOMENT_ANF_SSG, 0xBD)
  • 4327 4327 Message (DREHMOMENT_ANF_SSG, 0xBD)
  • 4328 4328 Message (DREHMOMENT_ANF_SSG, 0xBD)
  • 4332 4332 Rail pressure control valve
  • 4333 4333 Rail pressure control valve
  • 4335 4335 Radiator louver
  • 4336 4336 Radiator louver
  • 4337 4337 Radiator louver
  • 4338 4338 Radiator louver
  • 4340 4340 Rail pressure control valve
  • 4351 4351 (145) Rail pressure control valve
  • 4360 4360 Current control for rail pressure control valve
  • 4361 4361 Current control for rail pressure control valve
  • 4362 4362 Current control for rail pressure control valve
  • 4378 4378 Rail pressure control valve test (nv)
  • 4382 4382 Rail pressure control valve actuator test
  • 4390 4390 (4678) Charge air temperature sensor
  • 4391 4391 (4677) Charge air temperature sensor
  • 4392 4392 Charge air temperature sensor
  • 4397 4397 Quantity control valve actuator test
  • 43A0 43A0 Starter disable relay
  • 43A1 43A1 Starter disable relay
  • 43A2 43A2 Starter disable relay
  • 43A3 43A3 Starter disable relay
  • 43B0 43B0 Power Stage fault status for System lamp (nv)
  • 43B1 43B1 Power Stage fault status for System lamp (nv)
  • 43B2 43B2 Power Stage fault status for System lamp (nv)
  • 43B3 43B3 Power Stage fault status for System lamp (nv)
  • 43C0 43C0 throttle valve
  • 43D1 43D1 Throttle valve
  • 43E2 43E2 Throttle valve
  • 43E3 43E3 Throttle valve
  • 43F0 43F0 electric heater
  • 43F1 43F1 Electric auxiliary heater
  • 43F2 43F2 Electric auxiliary heater
  • 43F3 43F3 Electric auxiliary heater
  • 4403 4403 Control unit internal 17
  • 4410 4410 injector cylinder 1
  • 4411 4411 Injector cylinder 1
  • 4412 4412 Injector cylinder 1
  • 4413 4413 Injector cylinder 1
  • 441A 441A Injector cylinder 1_1
  • 441B 441B Injector cylinder 1_1
  • 441C 441C (513) Injector Cylinder 1_1
  • 441D 441D Injector cylinder 1_1
  • 4420 4420 injector cylinder 2
  • 4421 4421 Injector cylinder 2
  • 4422 4422 Injector cylinder 2
  • 4423 4423 Injector cylinder 2
  • 442A 442A Injector cylinder 2_1
  • 442B 442B Injector cylinder 2_1
  • 442C 442C (514) Injector Cylinder 2_1
  • 442D 442D Injector cylinder 2_1
  • 4430 4430 injector cylinder 3
  • 4431 4431 Injector cylinder 3
  • 4432 4432 Injector cylinder 3
  • 4433 4433 Injector cylinder 3
  • 443A 443A Injector cylinder 3_1
  • 443B 443B Injector cylinder 3_1
  • 443C 443C (515) Injector Cylinder 3_1
  • 443D 443D Injector cylinder 3_1
  • 4440 4440 injector cylinder 4
  • 4441 4441 Injector cylinder 4
  • 4442 4442 Injector cylinder 4
  • 4443 4443 Injector cylinder 4
  • 4445 4445 Message (DREHMOMENT_ANF_AFS, 0xB9)
  • 4446 4446 Message (DREHMOMENT_ANF_AFS, 0xB9)
  • 4447 4447 Message (DREHMOMENT_ANF_AFS, 0xB9)
  • 4448 4448 Message (DREHMOMENT_ANF_AFS, 0xB9)
  • 444A 444A Injector Cylinder 4_1
  • 444B 444B Injector Cylinder 4_1
  • 444C 444C (516) Injector Cylinder 4_1
  • 444D 444D Injector Cylinder 4_1
  • 4450 4450 Injector Cylinder 5
  • 4451 4451 Injector Cylinder 5
  • 4452 4452 Injector Cylinder 5
  • 4453 4453 Injector Cylinder 5
  • 4457 4457 Message (LENKRADWINKEL, 0xC4)
  • 4458 4458 Message (LENKRADWINKEL, 0xC4)
  • 445A 445A Injector Cylinder 5_1
  • 445B 445B Injector Cylinder 5_1
  • 445C 445C (517) Injector Cylinder 5_1
  • 445D 445D Injector Cylinder 5_1
  • 4460 4460 Injector Cylinder 6
  • 4461 4461 Injector Cylinder 6
  • 4462 4462 Injector Cylinder 6
  • 4463 4463 Injector Cylinder 6
  • 446A 446A Injector Cylinder 6_1
  • 446B 446B Injector Cylinder 6_1
  • 446C 446C (518) Injector Cylinder 6_1
  • 446D 446D Injector Cylinder 6_1
  • 4473 4473 Control Unit Internal 18
  • 4475 4475 Intelligent Battery Sensor (DIBS1)
  • 4477 4477 Intelligent Battery Sensor (DIBS1)
  • 4478 4478 Intelligent Battery Sensor (DIBS1)
  • 4480 4480 Control Unit Internal 19
  • 4485 4485 Intelligent Battery Sensor (DIBS2)
  • 4487 4487 Intelligent Battery Sensor (DIBS2)
  • 4488 4488 Intelligent Battery Sensor (DIBS2)
  • 4491 4491 Control Unit Internal 20
  • 4495 4495 Intelligent Battery Sensor (DIBS3)
  • 4496 4496 Intelligent Battery Sensor (DIBS3)
  • 4497 4497 Intelligent Battery Sensor (DIBS3)
  • 44A0 44A0 Injectors Bank 1
  • 44A1 44A1 Injectors Bank 1
  • 44A2 44A2 Injectors Bank 1
  • 44A3 44A3 Injectors Bank 1
  • 44AA 44AA Injectors Bank 1_1
  • 44AB 44AB Injectors Bank 1_1
  • 44AC 44AC Injectors Bank 1_1
  • 44AD 44AD Injectors Bank 1_1
  • 44B0 44B0 Injectors Bank 2
  • 44B1 44B1 Injectors Bank 2
  • 44B2 44B2 Injectors Bank 2
  • 44B3 44B3 Injectors Bank 2
  • 44BA 44BA Injectors Bank 2_1
  • 44BB 44BB Injectors Bank 2_1
  • 44BC 44BC Injectors Bank 2_1
  • 44BD 44BD Injectors Bank 2_1
  • 44C0 44C0 Number of desired injections limited
  • 44C1 44C1 Number of desired injections limited
  • 44C2 44C2 Number of desired injections limited
  • 44D0 44D0 Generator
  • 44D2 44D2 Generator
  • 44D3 44D3 Generator
  • 44E2 44E2 Generator
  • 44E3 44E3 Generator
  • 44F0 44F0 Rail pressure plausibility pressure controlled (nv)
  • 4501 4501 (1025) Exhaust gas recirculation control
  • 4507 4507 (1026) Exhaust gas recirculation control
  • 4521 4521 (4758) Boost pressure control
  • 4530 4530 (4759) Boost pressure control
  • 4536 4536 Power management battery
  • 4538 4538 Power management battery
  • 4545 4545 Power management electrical system
  • 4546 4546 Power management electrical system
  • 4547 4547 Power management electrical system
  • 4548 4548 Power management electrical system
  • 4560 4560 (12290) Rail pressure plausibility quantity-controlled
  • 4567 4567 Message (CODIERUNG_PM, 0x395)
  • 4568 4568 Message (CODIERUNG_PM, 0x395)
  • 4570 4570 Rail pressure plausibility quantity-controlled
  • 4577 4577 Message (CTR_CRASH_SWO_EKP, 0x135)
  • 4578 4578 Message (CTR_CRASH_SWO_EKP, 0x135)
  • 4580 4580 (12291) Rail pressure plausibility quantity-controlled
  • 4587 4587 Fuel filter
  • 4590 4590 Rail pressure plausibility quantity-controlled
  • 4597 4597 Message (PRGG_CCTR, 0x331)
  • 4598 4598 Message (PRGG_CCTR, 0x331)
  • 45A0 45A0 (12292) Rail pressure plausibility quantity-controlled
  • 45C0 45C0 Rail pressure plausibility quantity-controlled (nv)
  • 45E3 45E3 Master/Slave monitoring
  • 45F2 45F2 Master/Slave monitoring
  • 45F3 45F3 Master/Slave monitoring
  • 45F5 45F5 Message (DREHMOMENT_ANF_ACC, 0xB7)
  • 45F6 45F6 Message (DREHMOMENT_ANF_ACC, 0xB7)
  • 45F7 45F7 Message (DREHMOMENT_ANF_ACC, 0xB7)
  • 45F8 45F8 Message (DREHMOMENT_ANF_ACC, 0xB7)
  • 4600 4600 (12293) Rail pressure plausibility pressure controlled
  • 4610 4610 Rail pressure plausibility pressure controlled
  • 4620 4620 (12294) Rail pressure plausibility pressure controlled
  • 4630 4630 Rail pressure plausibility pressure controlled
  • 4637 4637 Message (ParkConsumer, 0x?)
  • 4638 4638 Message (ParkConsumer, 0x?)
  • 4640 4640 Rail pressure plausibility pressure controlled
  • 4650 4650 Rail pressure plausibility pressure controlled (nv)
  • 4660 4660 Supply voltage
  • 4661 4661 Supply voltage
  • 4670 4670 (1603) Supply voltage 1
  • 4671 4671 (1602) Supply voltage 1
  • 4680 4680 (1619) Supply voltage 2
  • 4681 4681 (1618) Supply voltage 2
  • 4690 4690 Supply voltage 3
  • 4691 4691 Supply voltage 3
  • 46A0 46A0 Control unit internal 1
  • 46A1 46A1 Control unit internal 1
  • 46A2 46A2 Control unit internal 1
  • 46A3 46A3 Control unit internal 1
  • 46B0 46B0 Control unit internal 2
  • 46B1 46B1 Control unit internal 2
  • 46B2 46B2 Control unit internal 2
  • 46B3 46B3 Control unit internal 2
  • 46C0 46C0 Control unit internal 3
  • 46D1 46D1 Control unit internal 4
  • 46D2 46D2 Control unit internal 4
  • 46D3 46D3 Control unit internal 4
  • 4703 4703 Control unit internal 7
  • 4711 4711 Control unit internal 8
  • 4712 4712 Control unit internal 8
  • 4713 4713 Control unit internal 8
  • 4723 4723 Control unit internal 9
  • 4730 4730 Quantity control valve current control
  • 4731 4731 Quantity control valve current control
  • 4732 4732 Quantity control valve current control
  • 4740 4740 Control unit internal 11
  • 4750 4750 Control unit internal 12
  • 4753 4753 Control unit internal 12
  • 4763 4763 Control unit internal 13 (nv)
  • 4773 4773 Control unit internal 14
  • 4780 4780 Control unit internal 15
  • 4781 4781 Control unit internal 15
  • 4782 4782 Control unit internal 15
  • 4783 4783 Control unit internal 15
  • 4793 4793 Monitoring Master/Slave
  • 4803 4803 Torque monitoring ACC
  • 4810 4810 Torque intervention ACC
  • 4830 4830 Intake air temperature sensor
  • 4831 4831 Intake air temperature sensor
  • 4841 4841 (5265) Exhaust gas recirculation control 2
  • 4850 4850 (5266) Exhaust gas recirculation control 2
  • 4863 4863 Cruise control
  • 4870 4870 Misfire detection in multiple cylinders
  • 4880 4880 Misfire detection Cylinder 1
  • 4890 4890 Misfire detection cylinder 2

Every BMW module's fault codes