BMW engine electronics fault codes

The 5694 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), Z8 (E52), X5 (E53), 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X3 (E83), X1 (E84), Z4 (E85), Z4 (E86), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)

  • 4A67 DDE: Power management, vehicle electrical system
  • 4A68 DDE: Power management, vehicle electrical system (and 1 other meaning)
  • 4A69 DDE: Glow plug, cylinder 1, activation (and 2 other meanings)
  • 4A6A 4A6A Monitoring Master/Slave faultpath for EGS error
  • 4A6B 4A6B Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A6C 4A6C xDFC_NSCSDet
  • 4A6D DDE: DDE control module internal (control unit internal) (and 4 other meanings)
  • 4A6E DDE: Glow plug, cylinder 1, activation (and 2 other meanings)
  • 4A6F DDE: Glow control module (and 2 other meanings)
  • 4A70 DDE: Map values incorrect (and 6 other meanings)
  • 4A71 DDE: DDE control module internal (control unit internal) (and 4 other meanings)
  • 4A72 4A72 RPM limiter with vehicle stationary (and 1 other meaning)
  • 4A74 LIN / BSD, message; preheating control unit: Missing (message LIN) (and 2 other meanings)
  • 4A75 4A75 Layer_TANS
  • 4A76 4A76 Layer_TANS
  • 4A77 4A77 Layer_TANS
  • 4A78 4A78 Layer_TANS
  • 4A79 LIN / BSD, message; preheating control unit: Missing (message LIN) (and 2 other meanings)
  • 4A7A 4A7A Starter-Generator in belt (Layer_SGRTEMP)
  • 4A7B 4A7B Starter-Generator in belt (Layer_SGRSTABB)
  • 4A7D 4A7D Torque monitoring DCC (and 3 other meanings)
  • 4A7E LIN / BSD, message; preheating control unit: Missing (glow control unit diagnostic feedback) (and 3 other meanings)
  • 4A7F DDE: Glow control module internal (and 2 other meanings)
  • 4A80 DDE: Charge-air tube monitoring (and 2 other meanings)
  • 4A81 4A81 Starter-Generator in belt (Layer_SGRMSA)
  • 4A82 4A82 Starter-Generator in belt (Layer_SGRMECH)
  • 4A83 4A83 Starter-Generator in belt (Layer_SGRKL50MSA)
  • 4A84 DDE: Fuel filter
  • 4A85 4A85 Layer_TUMG
  • 4A86 4A86 Layer_TUMG
  • 4A87 4A87 Layer_TUMG
  • 4A88 4A88 Layer_TUMG
  • 4A89 DDE: Message (TRANSMISSION DATA, 0xBA) (and 4 other meanings)
  • 4A8A 4A8A Dummy error (Layer_FltMngTst)
  • 4A8B 4A8B Dummy error (Layer_FltMngTst)
  • 4A8C 4A8C Dummy error (Layer_FltMngTst)
  • 4A8D 4A8D Dummy error (Layer_FltMngTst)
  • 4A8E DDE: DDE control module internal (injector, bank 1, discharge-time control) (and 3 other meanings)
  • 4A8F DDE: DDE control module internal (injector, bank 2, discharge-time control) (and 3 other meanings)
  • 4A90 4A90 Starter-Generator in belt (Layer_SGREL)
  • 4A91 4A91 Clutch, plausibility (and 2 other meanings)
  • 4A92 DDE: Message (ASC3) (and 5 other meanings)
  • 4A93 DDE: Message (ASC3) (and 5 other meanings)
  • 4A94 DDE: DDE control module internal (injector, bank 3, discharge-time control) (and 3 other meanings)
  • 4A95 4A95 Clutch, plausibility (Layer_CLTPRTS1) (and 1 other meaning)
  • 4A97 DDE: Message (CBS reset, 0x580) (and 5 other meanings)
  • 4A98 4A98 Message (CBS_RESET_2, 0x580) (and 2 other meanings)
  • 4A99 DDE: DDE control module internal (injector, bank 4, discharge-time control) (and 3 other meanings)
  • 4A9A 4A9A Boost pressure assisted control valve actuator, control
  • 4A9B 4A9B Boost pressure assisted control valve actuator, control
  • 4A9C BSD, message; alternator: Missing (generator) (and 4 other meanings)
  • 4A9D 4A9D Boost pressure assisted control valve actuator, control
  • 4A9E DDE: DDE control module internal (injector, bank 5, discharge-time control) (and 2 other meanings)
  • 4A9F DDE: DDE control module internal (injector, bank 6, discharge-time control) (and 2 other meanings)
  • 4AA0 DDE: Message (EGS2) (and 1 other meaning)
  • 4AA1 DDE: Message (EGS2) (and 1 other meaning)
  • 4AA2 DDE: Message (EGS2) (and 4 other meanings)
  • 4AA3 DDE: Message (EGS2) (and 3 other meanings)
  • 4AA4 DDE: DDE control module internal (injector, bank 1, voltage control) (and 3 other meanings)
  • 4AA5 4AA5 Boost pressure assisted control valve actuator, control
  • 4AA6 4AA6 DDE control unit internal (and 1 other meaning)
  • 4AA7 4AA7 Message (STAT_ANHAENGER, 0x2E4) (and 3 other meanings)
  • 4AA8 4AA8 Message (STAT_ANHAENGER, 0x2E4) (and 2 other meanings)
  • 4AA9 DDE: DDE control module internal (injector, bank 2, voltage control) (and 3 other meanings)
  • 4AAA 4AAA Exhaust gas temperature sensor 6, plausibility (and 1 other meaning)
  • 4AAB 4AAB Exhaust gas temperature sensor 5, plausibility (and 1 other meaning)
  • 4AAC DDE: Glow control module (and 1 other meaning)
  • 4AAD 4AAD Exhaust gas temperature sensor before SCR catalytic converter, plausibility (and 1 other meaning)
  • 4AAE DDE: DDE control module internal (injector, bank 3, voltage control) (and 3 other meanings)
  • 4AAF DDE: DDE control module internal (injector, bank 4, voltage control) (and 3 other meanings)
  • 4AB0 4AB0 Electric auxiliary heater (and 2 other meanings)
  • 4AB1 4AB1 Exhaust gas temperature sensors, plausibility (and 1 other meaning)
  • 4AB2 DDE: Electric auxiliary heater (and 2 other meanings)
  • 4AB3 4AB3 Exhaust gas temperature sensor 6, plausibility (and 1 other meaning)
  • 4AB4 DDE: DDE control module internal (injector, bank 5, voltage control) (and 2 other meanings)
  • 4AB5 4AB5 Exhaust gas temperature sensor 5, plausibility (and 1 other meaning)
  • 4AB6 4AB6 Exhaust gas temperature sensor 4, plausibility (and 1 other meaning)
  • 4AB7 DDE: Message (time/date, 0x2F8) (and 5 other meanings)
  • 4AB8 4AB8 Message (TIME_DATE, 0x2F8) (and 4 other meanings)
  • 4AB9 DDE: DDE control module internal (injector, bank 6, voltage control) (and 2 other meanings)
  • 4ABA 4ABA Exhaust gas temperature sensor before SCR catalytic converter, plausibility (and 1 other meaning)
  • 4ABB 4ABB Exhaust temperature sensor upstream of particulate filter, plausibility (and 1 other meaning)
  • 4ABC BSD, message; oil condition sensor: Missing (oil condition sensor) (and 4 other meanings)
  • 4ABD 4ABD Exhaust-gas temperature sensor before cat., plausibility (and 1 other meaning)
  • 4ABE DDE: DDE control module internal (injector, bank 1, activation voltage) (and 3 other meanings)
  • 4ABF DDE: DDE control module internal (injector, bank 2, activation voltage) (and 3 other meanings)
  • 4AC0 4AC0 Electric heater 2 (nv) (and 3 other meanings)
  • 4AC1 4AC1 xDFC_EnhSRCMinT6ExhTMon
  • 4AC2 4AC2 Electric heater 2 (nv) (and 4 other meanings)
  • 4AC3 4AC3 xDFC_EnhSRCMinT5ExhTMon
  • 4AC4 DDE: DDE control module internal (injector, bank 3, activation voltage) (and 3 other meanings)
  • 4AC5 4AC5 Oil quality sensor QLTCD (and 2 other meanings)
  • 4AC6 4AC6 Oil quality sensor QLTCD
  • 4AC7 4AC7 Oil quality sensor QLTCD
  • 4AC8 4AC8 Oil quality sensor QLTCD
  • 4AC9 DDE: DDE control module internal (injector, bank 4, activation voltage) (and 3 other meanings)
  • 4ACA 4ACA xDFC_EnhSRCMinT4ExhTMon
  • 4ACB 4ACB xDFC_EnhSRCMaxT6ExhTMon
  • 4ACD 4ACD xDFC_EnhSRCMaxT5ExhTMon
  • 4ACE DDE: DDE control module internal (injector, bank 5, activation voltage) (and 2 other meanings)
  • 4ACF DDE: DDE control module internal (injector, bank 6, activation voltage) (and 2 other meanings)
  • 4AD0 4AD0 Electric heater 3 (nv) (and 3 other meanings)
  • 4AD1 4AD1 xDFC_EnhSRCMaxT4ExhTMon
  • 4AD2 4AD2 Electric heater 3 (nv) (and 4 other meanings)
  • 4AD3 4AD3 xDFC_NSCChar
  • 4AD4 DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 4AD5 DDE: Zero-quantity adaptation, injector, cylinder 1 (and 3 other meanings)
  • 4AD6 DDE: Zero-quantity adaptation, injector, cylinder 1 (and 3 other meanings)
  • 4AD9 DDE: Functional control-module monitoring, rail pressure
  • 4ADA 4ADA Rail pressure regulating valve, activation (and 1 other meaning)
  • 4ADB 4ADB Quantity control valve, activation (and 1 other meaning)
  • 4ADC 4ADC NOx storage catalytic converter, plausibility
  • 4ADD 4ADD Diagnostic mode ramp-up test (and 1 other meaning)
  • 4ADE DDE: Swirl valve, plausibility (and 5 other meanings)
  • 4ADF 4ADF Tank fill level (and 2 other meanings)
  • 4AE0 DDE: Electronics-box fan, activation (and 7 other meanings)
  • 4AE1 DDE: Electronics-box fan, activation (and 7 other meanings)
  • 4AE2 DDE: Electronics-box fan, activation (and 7 other meanings)
  • 4AE3 DDE: Electronics-box fan, activation (and 7 other meanings)
  • 4AE4 4AE4 Swirl flap actuator, control (and 2 other meanings)
  • 4AE5 DDE: Zero-quantity adaptation, injector, cylinder 2 (and 3 other meanings)
  • 4AE6 DDE: Zero-quantity adaptation, injector, cylinder 2 (and 3 other meanings)
  • 4AE9 DDE: DDE control module internal (control unit internal EEP) (and 4 other meanings)
  • 4AEA 4AEA diagnostic mode injection shutdown
  • 4AEB 4AEB NOx storage catalytic converter, plausibility (and 1 other meaning)
  • 4AEC 4AEC xDFC_NSCNOxStkRM
  • 4AED 4AED xDFC_NSCNOxSlipMax
  • 4AEE DDE: DDE control module internal (control unit internal EEP) (and 5 other meanings)
  • 4AEF DDE: Message (TRANSMISSION DATA, 0xBA) (and 4 other meanings)
  • 4AF0 DDE: Control-module temperature sensor, signal (and 3 other meanings)
  • 4AF1 DDE: Control-module temperature sensor, signal (and 3 other meanings)
  • 4AF2 4AF2 xDFC_NSCNOxDyn
  • 4AF3 4AF3 xDFC_NSCLamDynTrbnDsPosMin
  • 4AF4 DDE: Swirl-flap controller, output 1 (DC-), activation (and 3 other meanings)
  • 4AF5 DDE: Zero-quantity adaptation, injector, cylinder 3 (and 3 other meanings)
  • 4AF6 DDE: Zero-quantity adaptation, injector, cylinder 3 (and 3 other meanings)
  • 4AF9 DDE: Swirl-flap controller, output 2 (DC-), activation (and 2 other meanings)
  • 4AFA 4AFA Brake vacuum-pressure sensor, signal (and 4 other meanings)
  • 4AFB 4AFB Brake vacuum-pressure sensor, signal (and 4 other meanings)
  • 4AFC 4AFC xDFC_NSCLamDynTrbnDsNegMax
  • 4AFD 4AFD xDFC_NSCLamDynNSCDsPosMin
  • 4AFE DDE: Swirl-flap actuator, activation (and 1 other meaning)
  • 4AFF DDE: Swirl-flap actuator, activation (and 1 other meaning)
  • 4B00 DDE: Control module temperature (and 4 other meanings)
  • 4B01 DDE: Oxygen-sensor control, plausibility
  • 4B02 DDE: Oxygen-sensor control, control deviation
  • 4B03 DDE: Oxygen-sensor control, control deviation
  • 4B04 DDE: Swirl-flap actuator, activation (and 2 other meanings)
  • 4B05 DDE: Zero-quantity adaptation, injector, cylinder 4 (and 3 other meanings)
  • 4B06 DDE: Zero-quantity adaptation, injector, cylinder 4 (and 3 other meanings)
  • 4B09 DDE: Swirl-flap actuator, activation (and 1 other meaning)
  • 4B0A DDE: Presupply-pressure sensor, signal
  • 4B0B DDE: Presupply-pressure sensor, signal
  • 4B0C 4B0C xDFC_NSCLamDynNSCDsNegMax
  • 4B0D 4B0D xDFC_NSCLamBinStkRMMin
  • 4B0E DDE: Swirl-flap controller, output 1 (DC+), activation (and 2 other meanings)
  • 4B0F DDE: Swirl-flap controller, output 2 (DC+), activation (and 2 other meanings)
  • 4B10 DDE: Smooth running controller
  • 4B11 DDE: Smooth running controller
  • 4B12 Message (speed, 0x1A0) incorrect, receiver DDE, transmitter DSC (and 1 other meaning)
  • 4B13 Message (speed, 0x1A0) incorrect, receiver DDE, transmitter DSC (and 1 other meaning)
  • 4B14 DDE: Swirl-flap actuator, activation (and 1 other meaning)
  • 4B15 4B15 Zero quantity adaptation injector cylinder 5 (and 2 other meanings)
  • 4B16 4B16 Zero quantity adaptation injector cylinder 5 (and 2 other meanings)
  • 4B19 DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B1A DDE: Fuel-filter heating, activation (and 1 other meaning)
  • 4B1B DDE: Fuel-filter heating, activation (and 1 other meaning)
  • 4B1C DDE: Fuel-filter heating, activation (and 1 other meaning)
  • 4B1D DDE: Fuel-filter heating, activation (and 1 other meaning)
  • 4B1E DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B1F DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B20 4B20 Electric fan (and 1 other meaning)
  • 4B21 4B21 xDFC_NSCLamBinSlpMax
  • 4B22 DDE: Electric fan (and 1 other meaning)
  • 4B23 4B23 xDFC_NSCLamBinDynMax
  • 4B24 DDE: Exhaust-gas recirculation controller, output 1 (DC+), activation (and 2 other meanings)
  • 4B25 4B25 Zero quantity adaptation injector cylinder 6 (and 2 other meanings)
  • 4B26 4B26 Zero quantity adaptation injector cylinder 6 (and 2 other meanings)
  • 4B29 DDE: Exhaust-gas recirculation controller, output 2 (DC-), activation (and 2 other meanings)
  • 4B2A DDE: Charge-air pressure control, plausibility
  • 4B2B DDE: Reducing-agent delivery pump
  • 4B2C 4B2C message (OPERATION_MSA, 0x195) (and 2 other meanings)
  • 4B2D 4B2D message (OPERATION_MSA, 0x195) (and 4 other meanings)
  • 4B2E DDE: Exhaust-gas recirculation controller, output 1 (DC+), activation (and 2 other meanings)
  • 4B2F DDE: Exhaust-gas recirculation controller, output 2 (DC-), activation (and 2 other meanings)
  • 4B30 4B30 electric fan 2 (nv) (and 1 other meaning)
  • 4B31 4B31 reduction agent supply pump (and 2 other meanings)
  • 4B32 4B32 Electric fan 2 (nv) (and 3 other meanings)
  • 4B33 4B33 4D02Reducing agent pressure regulation, plausibility
  • 4B35 DDE: Oil condition sensor (and 3 other meanings)
  • 4B36 DDE: Oil condition sensor (and 2 other meanings)
  • 4B37 BSD, message; oil condition sensor: Missing (oil condition sensor) (and 3 other meanings)
  • 4B38 4B38 Oil quality sensor (Layer_QLT) (and 2 other meanings)
  • 4B39 DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B3A 4B3A NOx sensor after DeNOx catalytic converter, signal linear lambda (and 2 other meanings)
  • 4B3B 4B3B NOx sensor after DeNOx catalytic converter, signal linear lambda (and 2 other meanings)
  • 4B3C No message (services, 0x5F8), receiver DDE, transmitter various
  • 4B3D No message (services, 0x5F8), receiver DDE, transmitter various
  • 4B3E DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B3F DDE: Exhaust-gas recirculation controller, activation (and 2 other meanings)
  • 4B40 4B40 electric fan 3 (nv) (and 1 other meaning)
  • 4B41 4B41 NOx sensor after DeNOx catalytic converter, signal binary lambda (and 2 other meanings)
  • 4B42 4B42 Electric fan 3 (nv) (and 3 other meanings)
  • 4B43 4B43 NOx sensor after DeNOx catalytic converter, signal binary lambda (and 2 other meanings)
  • 4B44 4B44 xDFC_RailMeUnTnkLo5
  • 4B45 DDE: Injector, cylinder 1, energy consumption measurement (and 1 other meaning)
  • 4B46 4B46 Injector cylinder 1, energy consumption measurement (and 1 other meaning)
  • 4B48 4B48 Injector cylinder 1, energy consumption measurement (and 1 other meaning)
  • 4B49 4B49 xDFC_RailPCVTnkLo0
  • 4B4A DDE: Message (torque request AFS, 0xB1) (and 6 other meanings)
  • 4B4B DDE: Message (torque request AFS, 0xB1) (and 6 other meanings)
  • 4B4C DDE: Message (torque request AFS, 0xB1) (and 2 other meanings)
  • 4B4D DDE: Message (torque request AFS, 0xB1) (and 6 other meanings)
  • 4B4E 4B4E xDFC_RailPCVTnkLo1
  • 4B4F 4B4F xDFC_RailPCVTnkLo3
  • 4B50 DDE: Rate adjustment (and 4 other meanings)
  • 4B51 4B51 reduction agent heating relay, control (and 2 other meanings)
  • 4B52 4B52 reduction agent heating relay, control (and 2 other meanings)
  • 4B53 4B53 reduction agent heating relay, control (and 2 other meanings)
  • 4B54 4B54 xDFC_RailCPCTnkLo3
  • 4B55 DDE: Injector, cylinder 2, energy consumption measurement (and 1 other meaning)
  • 4B56 4B56 Injector cylinder 2, energy consumption measurement (and 1 other meaning)
  • 4B58 4B58 Injector cylinder 2, energy consumption measurement (and 1 other meaning)
  • 4B59 4B59 xDFC_RailMeUnTnkLo0
  • 4B5A 4B5A Air system, air to EGR mass flow, plausibility
  • 4B5C DDE: Torque request, steering (EHB3)
  • 4B5D DDE: Torque request, steering (EHB3)
  • 4B5E 4B5E xDFC_RailMeUnTnkLo1
  • 4B5F 4B5F xDFC_RailMeUnTnkLo3
  • 4B60 DDE: Volume drift compensation (and 6 other meanings)
  • 4B61 4B61 reduction agent heating relay, control (and 2 other meanings)
  • 4B62 4B62 reduction agent passive tank level sensor, plausibility (and 2 other meanings)
  • 4B63 4B63 reduction agent active tank level (and 2 other meanings)
  • 4B64 4B64 Engine oil, critical oil mass (and 1 other meaning)
  • 4B65 DDE: Injector, cylinder 3, energy consumption measurement (and 1 other meaning)
  • 4B66 4B66 Injector cylinder 3, energy consumption measurement (and 1 other meaning)
  • 4B68 4B68 Injector cylinder 3, energy consumption measurement (and 1 other meaning)
  • 4B69 4B69 Engine oil, critical oil mass (and 1 other meaning)
  • 4B6A 4B6A NOx Sensor before DeNOx Catalytic Converter, Plausibility (and 2 other meanings)
  • 4B6B 4B6B Exhaust temperature sensor upstream of catalytic converter, plausibility (and 1 other meaning)
  • 4B6C 4B6C Heating crankcase ventilation, activation (and 3 other meanings)
  • 4B6D 4B6D Oxygen Sensor Bank 2
  • 4B6E 4B6E Engine oil, condition (and 2 other meanings)
  • 4B6F 4B6F xDFC_RailCPCTnkLo1
  • 4B70 4B70 Heating crankcase ventilation, activation (and 3 other meanings)
  • 4B71 4B71 ZMS Pulsation (and 2 other meanings)
  • 4B72 4B72 Heating crankcase ventilation, activation (and 3 other meanings)
  • 4B73 4B73 Heating crankcase ventilation, activation (and 3 other meanings)
  • 4B74 4B74 Engine oil, critical oil viscosity (and 1 other meaning)
  • 4B75 DDE: Injector, cylinder 4, energy consumption measurement (and 1 other meaning)
  • 4B76 4B76 Injector cylinder 4, energy consumption measurement (and 1 other meaning)
  • 4B78 4B78 Injector cylinder 4, energy consumption measurement (and 1 other meaning)
  • 4B79 4B79 Engine oil, critical oil viscosity (and 1 other meaning)
  • 4B7A 4B7A Oxygen Sensor Bank 2
  • 4B7B 4B7B Oxygen Sensor Bank 2
  • 4B7C 4B7C Supply voltage
  • 4B7D 4B7D Supply voltage
  • 4B7E DDE: Exhaust gas pressure sensor before exhaust turbocharger, signal (and 2 other meanings)
  • 4B7F DDE: Exhaust gas pressure sensor before exhaust turbocharger, signal (and 2 other meanings)
  • 4B80 DDE: Rail pressure plausibility delivery controlled (-) (and 5 other meanings)
  • 4B81 DDE: Exhaust-gas recirculation-rate control, control deviation (and 2 other meanings)
  • 4B82 DDE: Exhaust-gas recirculation-rate control, control deviation (and 2 other meanings)
  • 4B83 4B83 Message (REFUEL QUANTITY, 0x311) (and 1 other meaning)
  • 4B85 DDE: Injector, cylinder 5, energy consumption measurement (and 1 other meaning)
  • 4B86 4B86 Injector cylinder 5, energy consumption measurement (and 1 other meaning)
  • 4B88 4B88 Injector cylinder 5, energy consumption measurement (and 1 other meaning)
  • 4B8A 4B8A Oxygen Sensor Bank 2
  • 4B8B 4B8B Oxygen Sensor Bank 2
  • 4B8C 4B8C Exhaust gas recirculation control, function (and 1 other meaning)
  • 4B8D 4B8D Low pressure exhaust gas recirculation control (and 1 other meaning)
  • 4B90 DDE: Rail-pressure monitoring on engine start (and 1 other meaning)
  • 4B91 4B91 Oxidation catalytic converter, plausibility
  • 4B92 4B92 Exhaust gas temperature sensor after low pressure EGR cooler, plausibility (and 1 other meaning)
  • 4B93 4B93 Particulate filter system (and 1 other meaning)
  • 4B94 DDE: Injectors, bank 1, activation (and 4 other meanings)
  • 4B95 DDE: Injector, cylinder 6, energy consumption measurement (and 1 other meaning)
  • 4B96 4B96 Injector cylinder 6, energy consumption measurement (and 1 other meaning)
  • 4B98 4B98 Injector cylinder 6, energy consumption measurement (and 1 other meaning)
  • 4B99 4B99 injectors bank 2, control (and 2 other meanings)
  • 4B9A 4B9A Oxygen Sensor Bank 2
  • 4B9B 4B9B Oxygen Sensor Bank 2
  • 4B9C 4B9C Particulate filter system, plausibility (and 1 other meaning)
  • 4B9D 4B9D Injector, cylinder 4, injection quantity compensation (and 1 other meaning)
  • 4BA0 DDE: Intake-air temperature sensor, signal (and 5 other meanings)
  • 4BA1 DDE: Intake-air temperature sensor, signal (and 5 other meanings)
  • 4BA2 4BA2 Injector, cylinder 2, injection quantity compensation (and 1 other meaning)
  • 4BA3 4BA3 Injector, cylinder 6, injection quantity compensation (and 1 other meaning)
  • 4BA4 DDE: Injectors, voltage measurement (and 1 other meaning)
  • 4BA5 4BA5 Injector, cylinder 3, injection quantity compensation (and 1 other meaning)
  • 4BA6 4BA6 Injector, cylinder 5, injection quantity compensation (and 1 other meaning)
  • 4BA8 4BA8 Injector, cylinder 1, injection quantity compensation (and 1 other meaning)
  • 4BA9 DDE: Injectors, voltage measurement (and 1 other meaning)
  • 4BAA 4BAA Swirl Flap Actuator
  • 4BAB 4BAB Reductant Active Tank Level Sensor, Signal (and 2 other meanings)
  • 4BAC 4BAC Reductant Active Tank Level Sensor, Signal (and 2 other meanings)
  • 4BAD 4BAD Reductant Active Tank Level Sensor, Plausibility (and 2 other meanings)
  • 4BAE DDE: Injector, cylinder 1, activation (and 1 other meaning)
  • 4BAF DDE: Injector, cylinder 2, activation (and 1 other meaning)
  • 4BB0 DDE: Supply voltage, air-mass flow sensor (and 2 other meanings)
  • 4BB1 DDE: Supply voltage, air-mass flow sensor (and 2 other meanings)
  • 4BB2 4BB2 NOx sensor before DeNOx cat., plausibility NOx (and 2 other meanings)
  • 4BB3 4BB3 NOx sensor before DeNOx cat., plausibility NOx (and 2 other meanings)
  • 4BB4 DDE: Injector, cylinder 3, activation (and 1 other meaning)
  • 4BB5 DDE: Air-mass flow sensor (and 3 other meanings)
  • 4BB6 DDE: Air-mass flow sensor (and 3 other meanings)
  • 4BB7 4BB7 Air Mass Meter
  • 4BB9 DDE: Injector, cylinder 4, activation (and 1 other meaning)
  • 4BBA 4BBA Particulate filter system (and 1 other meaning)
  • 4BBB DDE: Very low tank fluid level
  • 4BBC 4BBC NOx sensor after DeNOx catalyst, plausibility NOx (and 2 other meanings)
  • 4BBD 4BBD NOx sensor after DeNOx catalyst, plausibility NOx (and 2 other meanings)
  • 4BBE 4BBE Injector cylinder 5, control (and 2 other meanings)
  • 4BBF 4BBF Injector cylinder 6, control (and 2 other meanings)
  • 4BC0 DDE: Air-mass flow sensor (and 3 other meanings)
  • 4BC1 DDE: Air-mass flow sensor (and 3 other meanings)
  • 4BC2 DDE: Air-mass flow sensor (and 3 other meanings)
  • 4BC3 4BC3 Exhaust gas temperature controller, plausibility (and 1 other meaning)
  • 4BC4 DDE: Injector, cylinder 1, activation (and 1 other meaning)
  • 4BC5 DDE: Intake-air temperature sensor (reference signal for air-mass sensor) (and 5 other meanings)
  • 4BC6 DDE: Intake-air temperature sensor (reference signal for air-mass sensor) (and 5 other meanings)
  • 4BC7 DDE: Intake-air temperature sensor (reference signal for air-mass sensor) (and 3 other meanings)
  • 4BC8 4BC8 Exhaust gas temperature controller, plausibility (and 1 other meaning)
  • 4BC9 DDE: Injector, cylinder 2, activation (and 1 other meaning)
  • 4BCA 4BCA Diagnostic mode compression test (and 1 other meaning)
  • 4BCB 4BCB Reduction agent passive tank fill level sensor, signal (and 2 other meanings)
  • 4BCC 4BCC Reduction agent passive tank fill level sensor, signal (and 2 other meanings)
  • 4BCD 4BCD Reduction agent passive tank fill level sensor, plausibility (and 2 other meanings)
  • 4BCE DDE: Injector, cylinder 3, activation (and 1 other meaning)
  • 4BCF DDE: Injector, cylinder 4, activation (and 1 other meaning)
  • 4BD0 4BD0 Exhaust gas temperature sensor after low pressure exhaust gas return cooler, range
  • 4BD1 4BD1 Exhaust gas temperature sensor after low pressure exhaust gas return cooler, range
  • 4BD2 DDE: torque request ARS (and 1 other meaning)
  • 4BD3 4BD3 Reduction agent, plausibility (and 2 other meanings)
  • 4BD4 4BD4 Injector cylinder 5, control (and 2 other meanings)
  • 4BD5 DDE: Engine mount, activation (and 3 other meanings)
  • 4BD6 DDE: Engine mount, activation (and 3 other meanings)
  • 4BD7 DDE: Engine mount, activation (and 3 other meanings)
  • 4BD8 DDE: Engine mount, activation (and 3 other meanings)
  • 4BD9 4BD9 Injector cylinder 6, control (and 2 other meanings)
  • 4BDA DDE: Fuel presupply-pressure control (fuel pre-supply pressure regulation) (and 3 other meanings)
  • 4BDB DDE: Fuel presupply-pressure control (fuel pre-supply pressure regulation) (and 3 other meanings)
  • 4BDC DDE: Fuel presupply-pressure control (fuel pre-supply pressure regulation) (and 3 other meanings)
  • 4BDD DDE: Fuel presupply-pressure control (fuel Pre-Supply Pressure Control) (and 3 other meanings)
  • 4BDE DDE: DDE control module internal (control unit internal EEP) (and 4 other meanings)
  • 4BDF 4BDF Message (CODIERUNG_PM, 0x395) (and 2 other meanings)
  • 4BE0 DDE: Message (transmission data, 0xBA)
  • 4BE1 Message (transmission data, 0xBA) incorrect, receiver DDE, transmitter EGS
  • 4BE2 DDE: message (transmission data, 0xBA) (and 6 other meanings)
  • 4BE3 Message (transmission data, 0xBA) incorrect, receiver DDE, transmitter EGS/SMG/DKG (and 6 other meanings)
  • 4BE4 DDE: Overspeed detection (and 2 other meanings)
  • 4BE5 DDE: Message (transmission data 2, 0x1A2) (and 5 other meanings)
  • 4BE6 DDE: Message (transmission data 2, 0x1A2) (and 5 other meanings)
  • 4BE7 DDE: message (transmission data 2, 0x1A2) (and 6 other meanings)
  • 4BE8 Message (transmission data 2, 0x1A2) incorrect, receiver DDE, transmitter EGS (and 6 other meanings)
  • 4BEA DDE: Fuel-filter heating (and 2 other meanings)
  • 4BEB DDE: Fuel-filter heating (and 3 other meanings)
  • 4BEC 4BEC Fuel low pressure regulation (Layer_NDR2) (and 1 other meaning)
  • 4BED DDE: Fuel presupply-pressure control (fuel Pre-Supply Pressure Control) (and 4 other meanings)
  • 4BEE 4BEE xDFC_EnhSRCMaxT3ExhTMon (and 1 other meaning)
  • 4BF0 4BF0 NOx sensor downstream of SCR catalyst, NOx signal (and 2 other meanings)
  • 4BF1 4BF1 NOx sensor downstream of SCR catalyst, supply voltage (and 2 other meanings)
  • 4BF2 Message (air conditioning, 0x1B5) faulty, receiver DDE, transmitter IHKA (and 4 other meanings)
  • 4BF3 Message (air conditioning, 0x1B5) faulty, receiver DDE, transmitter IHKA (and 5 other meanings)
  • 4BF4 4BF4 Exhaust differential pressure sensor particulate filter, signal (and 2 other meanings)
  • 4BF5 4BF5 NOx sensor upstream of SCR catalyst, NOx signal (and 2 other meanings)
  • 4BF6 4BF6 NOx sensor upstream of SCR catalyst, supply voltage (and 2 other meanings)
  • 4BF7 Message (range, 0x330) faulty, receiver DDE, transmitter KOMBI (and 3 other meanings)
  • 4BF8 Message (range, 0x330) faulty, receiver DDE, transmitter KOMBI (and 3 other meanings)
  • 4BF9 4BF9 Exhaust differential pressure sensor particulate filter, signal (and 2 other meanings)
  • 4BFA 4BFA Pre-supply pressure sensor 2, signal
  • 4BFB 4BFB Pre-supply pressure sensor 2, signal
  • 4BFC 4BFC xDFC_ExhFlpLPSRCMin
  • 4BFD 4BFD xDFC_ExhFlpLPSRCMax
  • 4BFE 4BFE xDFC_EnhSRCMinT3ExhTMon (and 1 other meaning)
  • 4C00 Message (cruise control/ACC, 0x194) incorrect, receiver DDE, transmitter ACC (and 8 other meanings)
  • 4C01 Message (cruise control/ACC, 0x194) incorrect, receiver DDE, transmitter ACC (and 8 other meanings)
  • 4C02 DDE: message (cruise control/ACC, 0x194) (and 7 other meanings)
  • 4C03 DDE: message (cruise control/ACC, 0x194) (and 9 other meanings)
  • 4C04 4C04 Exhaust gas temperature sensor before catalytic converter, plausibility (and 2 other meanings)
  • 4C05 4C05 Oxygen sensor (and 1 other meaning)
  • 4C06 Message (status ARS, 0x1AC) incorrect, receiver DDE, transmitter ARS (and 3 other meanings)
  • 4C07 Message (status ARS, 0x1AC) incorrect, receiver DDE, transmitter ARS (and 4 other meanings)
  • 4C08 Message (status ARS, 0x1AC) incorrect, receiver DDE, transmitter ARS (and 3 other meanings)
  • 4C09 4C09 Exhaust gas temperature sensor before particulate filter, plausibility (and 2 other meanings)
  • 4C0A 4C0A Diagnostic mode quantity control valve hysteresis test
  • 4C0B 4C0B xDFC_ExhFlpLPSCG (and 1 other meaning)
  • 4C0C 4C0C xDFC_ExhFlpLPSCB (and 1 other meaning)
  • 4C0D 4C0D xDFC_ExhFlpLPOL (and 1 other meaning)
  • 4C0E 4C0E Exhaust gas temperature sensor before SCR catalytic converter, plausibility (and 3 other meanings)
  • 4C0F DDE: DDE control module internal (control Unit Internal) (and 2 other meanings)
  • 4C10 4C10 xDFC_ExhFlpLPGovDvtMin
  • 4C11 4C11 xDFC_ExhFlpLPGovDvtMax
  • 4C12 Message (status, DSC, 0x19E) incorrect, receiver DDE, transmitter DSC (and 5 other meanings)
  • 4C13 Message (status, DSC, 0x19E) incorrect, receiver DDE, transmitter DSC (and 3 other meanings)
  • 4C14 4C14 xDFC_ExhTMonT1Plaus (and 1 other meaning)
  • 4C15 Message (terminal 15, 0x130) faulty, receiver DDE, transmitter CAS (and 4 other meanings)
  • 4C16 Message (terminal 15, 0x130) faulty, receiver DDE, transmitter CAS (and 3 other meanings)
  • 4C17 Message (terminal 15, 0x130) faulty, receiver DDE, transmitter CAS (and 4 other meanings)
  • 4C18 Message (terminal 15, 0x130) faulty, receiver DDE, transmitter CAS (and 3 other meanings)
  • 4C19 4C19 xDFC_ExhTMonT2Plaus (and 1 other meaning)

Every BMW module's fault codes