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)

  • 48A2 DDE: Message (ASC1) (and 5 other meanings)
  • 48A3 DDE: Message (ASC1) (and 4 other meanings)
  • 48A5 48A5 Message (VEH_MOD, 0x315) (and 2 other meanings)
  • 48A6 48A6 Message (VEH_MOD, 0x315) (and 3 other meanings)
  • 48A7 48A7 Message (VEH_MOD, 0x315) (and 3 other meanings)
  • 48A8 48A8 Message (VEH_MOD, 0x315) (and 4 other meanings)
  • 48A9 DDE: Rail-pressure sensor, plausibility (and 1 other meaning)
  • 48AA DDE: Oxygen sensor, bank 2, activation, heating
  • 48AB DDE: Oxygen sensor, bank 2, activation, heating
  • 48AC DDE: Oxygen sensor, bank 2, activation, heating
  • 48AD 48AD Oxygen sensor bank 2, heater control
  • 48B0 48B0 Charge pressure actuator, position control (and 2 other meanings)
  • 48B1 48B1 Charge pressure actuator, plausibility (and 2 other meanings)
  • 48B2 DDE: Message (ASC2) (and 5 other meanings)
  • 48B3 DDE: Message (ASC2) (and 4 other meanings)
  • 48B4 DDE: Brake vacuum sensor, plausibility (and 1 other meaning)
  • 48B5 DDE: Injector, charge measurement (and 3 other meanings)
  • 48B6 DDE: Injector, charge measurement (and 3 other meanings)
  • 48B7 DDE: Injectors, charge measurement (control module internal) (and 1 other meaning)
  • 48B8 48B8 Charging pressure actuator position, long-term drift (and 2 other meanings)
  • 48BA 48BA Charge pressure actuator, activation (and 2 other meanings)
  • 48BB 48BB Charge pressure actuator, activation (and 2 other meanings)
  • 48BC DDE: Oxygen sensor, bank 2
  • 48BD 48BD Charge pressure actuator, activation (and 2 other meanings)
  • 48BF 48BF Low-pressure exhaust gas recirculation valve, plausibility (and 1 other meaning)
  • 48C0 48C0 Charge pressure actuator, output 2 (DC-), activation (and 2 other meanings)
  • 48C1 48C1 Charge pressure actuator, output 1 (DC-), activation (and 2 other meanings)
  • 48C2 DDE: Message (EGS1) (and 4 other meanings)
  • 48C3 DDE: Message (EGS1) (and 3 other meanings)
  • 48C5 DDE: Injectors, voltage measurement (control module internal) (and 1 other meaning)
  • 48C6 DDE: Injectors, voltage measurement (control module internal) (and 1 other meaning)
  • 48C7 DDE: Injectors, voltage measurement (control module internal) (and 1 other meaning)
  • 48C8 48C8 Charge pressure actuator, output 2 (DC+), activation (and 2 other meanings)
  • 48CA DDE: Oxygen sensor, bank 2
  • 48CB DDE: Oxygen sensor, bank 2
  • 48CC 48CC Charge pressure actuator, output 1 (DC+), activation (and 2 other meanings)
  • 48CD 48CD Charge pressure actuator, activation (and 2 other meanings)
  • 48CE DDE: DDE control unit internal (control unit internal) (and 1 other meaning)
  • 48D0 48D0 Exhaust pressure sensor before exhaust turbocharger, plausibility (and 1 other meaning)
  • 48D1 48D1 Exhaust gas pressure sensor before exhaust turbocharger, plausibility (and 1 other meaning)
  • 48D2 DDE: Message (INSTR2) (and 4 other meanings)
  • 48D3 DDE: Message (INSTR2) (and 3 other meanings)
  • 48D5 48D5 error path of actuator classification bank 1
  • 48D6 48D6 error path of actuator classification bank 1
  • 48D7 48D7 error path of actuator classification bank 1
  • 48D8 48D8 Charge pressure actuator, activation (and 2 other meanings)
  • 48D9 DDE: DDE control unit internal (control unit internal) (and 1 other meaning)
  • 48DA DDE: Control module, internal 25
  • 48DB DDE: Control module, internal 25
  • 48DC 48DC Boost pressure sensor, plausibility
  • 48DD 48DD Boost pressure sensor, plausibility
  • 48E0 48E0 Ambient pressure sensor (installed in DDE control unit), plausibility (and 1 other meaning)
  • 48E1 48E1 Ambient pressure sensor (installed in DDE control unit), plausibility (and 1 other meaning)
  • 48E2 DDE: Message (INSTR3) (and 4 other meanings)
  • 48E3 DDE: Message (INSTR3) (and 3 other meanings)
  • 48E4 48E4 DDE control unit internal (and 1 other meaning)
  • 48E5 48E5 error path of actuator classification Bank 2
  • 48E6 48E6 error path of actuator classification Bank 2
  • 48E7 48E7 error path of actuator classification Bank 2
  • 48E8 48E8 Charge pressure actuator, activation (and 2 other meanings)
  • 48EA DDE: Control module, internal 26
  • 48EB DDE: Control module, internal 26
  • 48EC 48EC Pressure sensors, plausibility
  • 48ED 48ED Intake air temperature sensor, plausibility (and 2 other meanings)
  • 48EF 48EF NOx sensors, query mode
  • 48F0 48F0 CAN Bus A (and 1 other meaning)
  • 48F1 48F1 CAN Bus A (and 3 other meanings)
  • 48F2 48F2 CAN Bus A (and 14 other meanings)
  • 48F3 48F3 CAN Bus A (and 7 other meanings)
  • 48F5 48F5 Boost pressure actuator (VNT), control (and 1 other meaning)
  • 48F6 48F6 Boost pressure actuator (VNT) (and 2 other meanings)
  • 48F7 DDE: Injectors, wiring harness
  • 48F8 48F8 Boost pressure actuator (VNT) (and 1 other meaning)
  • 48FA 48FA Boost pressure actuator (VNT) (and 1 other meaning)
  • 48FB 48FB VNT charging pressure actuator, position sensor or status line (and 3 other meanings)
  • 48FC 48FC VNT charging pressure actuator, position sensor or status line (and 3 other meanings)
  • 48FD DDE: Control module, internal 27
  • 48FE DDE: Intake air temperature sensor, plausibility (and 1 other meaning)
  • 4900 4900 Torque intervention DSC (nv) (and 3 other meanings)
  • 4901 4901 Boost pressure actuator (VNT) (and 1 other meaning)
  • 4902 4902 Boost pressure actuator (VNT) (and 1 other meaning)
  • 4903 4903 Boost pressure actuator (VNT), control (and 1 other meaning)
  • 4905 DDE: Rail-pressure control mode, plausibility (and 1 other meaning)
  • 4906 4906 Transmission speed sensor, plausibility (and 1 other meaning)
  • 4907 DDE: Injectors, selector switch (control module internal)
  • 4908 4908 Reductant tank fill level (and 2 other meanings)
  • 4909 DDE: Reset rate-drift compensation (and 2 other meanings)
  • 490A 490A Oil condition sensor, plausibility (and 1 other meaning)
  • 490B DDE: Control module, internal 28
  • 490C 490C Oil condition sensor, signal (and 1 other meaning)
  • 490D 490D Oil condition sensor, plausibility (and 1 other meaning)
  • 4910 4910 CAN Bus B (and 5 other meanings)
  • 4911 4911 CAN Bus B (and 3 other meanings)
  • 4912 4912 CAN Bus B (and 7 other meanings)
  • 4913 4913 CAN Bus B (and 7 other meanings)
  • 4914 DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 4915 4915 Oil condition sensor, plausibility (and 1 other meaning)
  • 4916 4916 Oil condition sensor, signal (and 1 other meaning)
  • 4917 DDE: Injectors, bank 1, charge switch (and 4 other meanings)
  • 4918 4918 Oil temperature sensor, plausibility
  • 4919 DDE: DDE control module internal (ADC) (and 2 other meanings)
  • 491A 491A Oil temperature sensor, signal
  • 491B 491B Oil level sensor, plausibility
  • 491C 491C Oxygen sensor Bank 2, shunt detection
  • 491D 491D Oil level sensor, plausibility
  • 491E DDE: DDE control module internal (ADC) (and 2 other meanings)
  • 491F DDE: Injector, cylinder 6, activation (and 2 other meanings)
  • 4920 4920 Torque intervention transmission (nv) (and 3 other meanings)
  • 4921 4921 Oil level sensor, signal
  • 4922 4922 NOx sensor upstream of DeNOx catalytic converter, heating plausibility (and 2 other meanings)
  • 4923 4923 NOx sensor upstream of DeNOx catalytic converter, plausibility (and 2 other meanings)
  • 4924 DDE: Injector, cylinder 5, activation (and 2 other meanings)
  • 4925 DDE: Throttle valve actuator 2, activation
  • 4926 4926 NOx sensor downstream of DeNOx catalytic converter, heating plausibility (and 2 other meanings)
  • 4927 4927 NOx sensor downstream of DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 4928 4928 NOx sensor downstream of DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 4929 DDE: Injector, cylinder 4, activation (and 1 other meaning)
  • 492A DDE: Oxygen sensor, bank 2, heating
  • 492B DDE: Oxygen sensor, bank 2, heating
  • 492C 492C Reductant active tank temperature sensor, plausibility (and 2 other meanings)
  • 492D 492D Reductant active tank temperature sensor, signal (and 2 other meanings)
  • 492E DDE: Injector, cylinder 3, activation (and 1 other meaning)
  • 492F DDE: Injector, cylinder 2, activation (and 1 other meaning)
  • 4930 4930 Misfire detection cylinder 3
  • 4931 4931 Reductant transfer pump unit (and 2 other meanings)
  • 4932 DDE: Air system, air to EGR mass flow, plausibility
  • 4933 DDE: Air system, air to EGR mass flow, plausibility
  • 4934 DDE: Injector, cylinder 1, activation (and 1 other meaning)
  • 4935 DDE: DDE control module internal (control unit internal) (and 1 other meaning)
  • 4936 DDE: Throttle valve actuator 2, activation
  • 4937 DDE: DDE control module internal (control unit internal) (and 1 other meaning)
  • 4938 DDE: DDE control module internal (control unit internal EEP) (and 1 other meaning)
  • 4939 4939 Pre-feed pressure sensor before fuel filter, signal (and 1 other meaning)
  • 493A DDE: DDE control module internal (control unit internal EEP) (and 1 other meaning)
  • 493B DDE: Message (power management, stationary loads/consumers, 0x580-0x5FF ID2=8) (and 4 other meanings)
  • 493C 493C Oxygen sensor Bank 2
  • 493D DDE: Oxygen sensor, bank 2
  • 493E 493E Pre-feed pressure sensor before fuel filter, signal (and 1 other meaning)
  • 493F DDE: Presupply-pressure sensor, signal (and 1 other meaning)
  • 4940 4940 Misfire detection cylinder 4
  • 4941 DDE: DDE control module internal (control unit internal) (and 3 other meanings)
  • 4942 4942 Starter-generator in belt (Layer_SGRUVOLT)
  • 4943 4943 Starter-generator in belt (Layer_SGRUEBVOLT)
  • 4944 DDE: Presupply-pressure sensor, signal (and 1 other meaning)
  • 4945 4945 Message (SERVICES request MSA function, 0x580-0x5FF ID2=19) (and 1 other meaning)
  • 4946 4946 Message (SERVICES request electric fan level, 0x580-0x5FF ID2=21) (and 2 other meanings)
  • 4947 DDE: Throttle valve actuator 2, activation
  • 4948 DDE: Throttle valve actuator 2, activation
  • 4949 DDE: Glow system, configuration (and 2 other meanings)
  • 494A DDE: Glow system (and 2 other meanings)
  • 494B 494B Oxygen sensor Bank 2
  • 494C 494C swirl flap actuator, plausibility
  • 494D DDE: Oxygen sensor, bank 2
  • 494F DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 4950 4950 Misfire detection cylinder 5
  • 4951 4951 Reducing agent dosing, enable (and 1 other meaning)
  • 4952 4952 Reductant pressure control, plausibility (and 2 other meanings)
  • 4953 4953 Reducing agent supply pump (and 1 other meaning)
  • 4954 DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 4955 4955 NOx sensor after DeNOx catalytic converter, NOx plausibility (and 1 other meaning)
  • 4956 4956 NOx sensor after DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 4957 DDE: Throttle valve actuator 2
  • 4958 4958 Reducing agent active tank collection bucket heating diagnosis, signal (and 2 other meanings)
  • 4959 DDE: DDE control module internal (control unit internal) (and 3 other meanings)
  • 495A DDE: Exhaust temperature sensor before particulate filter, bank 2, signal
  • 495B DDE: Exhaust temperature sensor before particulate filter, bank 2, signal
  • 495C 495C Reducing agent active tank collection bucket heating diagnosis, signal (and 2 other meanings)
  • 495D 495D Reducing agent active tank collection bucket heating, control (and 2 other meanings)
  • 495E DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 495F DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 4960 4960 Misfire detection cylinder 6
  • 4961 4961 Reducing agent active tank collection bucket heating, control (and 2 other meanings)
  • 4962 4962 Reducing agent active tank collection bucket heating, control (and 2 other meanings)
  • 4963 4963 Reducing agent active tank collection bucket heating (and 2 other meanings)
  • 4964 DDE: Switchable air-mass sensor supply, activation
  • 4965 4965 Reducing agent active tank collection bucket heating (and 2 other meanings)
  • 4966 4966 Reducing agent active tank collection bucket heating (and 2 other meanings)
  • 4967 DDE: Throttle valve actuator 2
  • 4968 4968 Reducing agent pressure line heating (and 1 other meaning)
  • 4969 DDE: Switchable air-mass sensor supply, activation
  • 496A DDE: Particulate filter system, bank 2
  • 496B 496B NOx sensor after DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 496C 496C NOx sensor after DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 496D 496D NOx sensor before DeNOx catalytic converter, NOx plausibility (and 1 other meaning)
  • 496E DDE: Switchable air-mass sensor supply, activation
  • 496F DDE: Switchable air-mass sensor supply, activation
  • 4975 4975 Misfire detection cylinder 7
  • 4976 4976 NOx sensor before DeNOx catalytic converter, NOx plausibility (and 2 other meanings)
  • 4977 4977 Reducing agent active tank collection bucket heating (and 2 other meanings)
  • 4978 DDE: Oxygen sensor
  • 4979 DDE: MSA start enable line to CAS, activation (and 5 other meanings)
  • 497A DDE: Particulate filter system, bank 2
  • 497B 497B Message (OBDSensDiag, 0x580-0x5FF ID2=140)
  • 497C Pressure sensor, plausibility while run-on: Exhaust pressure before exhaust turbocharger not plausible with charging pressure (and 2 other meanings)
  • 497D Pressure sensor, plausibility while run-on: Exhaust pressure before exhaust turbocharger not plausible with ambient pressure (and 1 other meaning)
  • 497E DDE: Message (status, reverse gear, 0x3B0) (and 3 other meanings)
  • 497F 497F Message (STAT_GANG_RUECKWAERTS, 0x3B0) (and 4 other meanings)
  • 4985 4985 Misfire detection cylinder 8
  • 4986 4986 Exhaust temperature sensor upstream of catalytic converter, signal (and 1 other meaning)
  • 4987 4987 Exhaust temperature sensor upstream of catalytic converter, signal (and 2 other meanings)
  • 4988 4988 Exhaust gas temperature sensor before catalytic converter, plausibility (and 1 other meaning)
  • 498A 498A Exhaust gas temperature before catalytic converter Bank 2, plausibility
  • 498B 498B Exhaust gas temperature sensor after low-pressure exhaust gas recirculation cooler, range (and 1 other meaning)
  • 498C 498C Exhaust gas temperature sensor after low-pressure exhaust gas recirculation cooler, range (and 1 other meaning)
  • 498D 498D Exhaust gas temperature before catalytic converter Bank 2, plausibility
  • 498E DDE: Oil-level sensor (and 1 other meaning)
  • 4990 DDE: Exhaust gas pressure sensor before exhaust turbocharger, plausibility (and 2 other meanings)
  • 4991 Message (KOMBI, 0x1B4) faulty, receiver DDE, transmitter KOMBI (and 4 other meanings)
  • 4992 Message (KOMBI, 0x1B4) faulty, receiver DDE, transmitter KOMBI (and 5 other meanings)
  • 4993 Message (KOMBI, 0x1B4) faulty, receiver DDE, transmitter KOMBI (and 5 other meanings)
  • 4995 4995 Transmission speed sensor, plausibility (and 1 other meaning)
  • 4996 4996 Transmission speed sensor, signal (and 1 other meaning)
  • 4997 DDE: Throttle valve actuator 2
  • 4998 4998 Transmission speed sensor, signal (and 1 other meaning)
  • 4999 DDE: DDE control module internal (control unit internal TLE6232) (and 1 other meaning)
  • 499A 499A Exhaust gas temperature before catalytic converter during regeneration Bank 2, plausibility
  • 499B 499B Oxygen sensor after catalytic converter (and 2 other meanings)
  • 499C 499C Oxygen sensor (and 1 other meaning)
  • 499D DDE: Air system outside ND-AGR (LP EGR)
  • 49A0 DDE: Air system within ND-AGR (LP EGR)
  • 49A1 49A1 LIN bus, communication (and 1 other meaning)
  • 49A2 DDE: message (outside temperature, 0x310) (and 5 other meanings)
  • 49A3 Message error (ambient temperature, 0x310), DDE receiver, KOMBI transmitter (and 5 other meanings)
  • 49A5 LIN bus : Communication fault (and 1 other meaning)
  • 49A6 LIN bus : Communication fault (and 1 other meaning)
  • 49A7 49A7 Message (RQ_STG_EFAN, 0x?) (and 1 other meaning)
  • 49A8 49A8 Message (RQ_STG_EFAN, 0x?) (and 2 other meanings)
  • 49AA 49AA Exhaust gas temperature before particulate filter Bank 2, plausibility
  • 49AB 49AB Clutch, plausibility (and 2 other meanings)
  • 49AC 49AC Starter-generator on belt, diagnostic feedback
  • 49AD 49AD Exhaust gas temperature before particulate filter Bank 2, plausibility
  • 49AF 49AF Thermal oil level sensor (and 2 other meanings)
  • 49B0 Message (torque request ACC, 0xB7) incorrect, receiver DDE, transmitter ACC
  • 49B1 49B1 Starter-generator on belt, diagnostic feedback
  • 49B2 49B2 Starter-generator on belt, diagnostic feedback
  • 49B5 49B5 Starter-generator on belt, diagnostic feedback
  • 49B6 49B6 Starter-generator on belt, diagnostic feedback
  • 49B7 DDE: Message (status, EKP, 0x335) (and 4 other meanings)
  • 49B8 49B8 Message (STAT_EKP, 0x335) (and 5 other meanings)
  • 49BA 49BA Exhaust gas temperature before particulate filter during regeneration Bank 2, plausibility
  • 49BB 49BB Starter-generator on belt, diagnostic feedback
  • 49BC 49BC Starter-generator on belt, diagnostic feedback
  • 49BD 49BD Starter-generator on belt, diagnostic feedback
  • 49BE 49BE Swirl flap, plausibility (and 1 other meaning)
  • 49C0 Message (torque request ACC, 0xB7) incorrect, receiver DDE, transmitter ACC
  • 49C1 49C1 Message (MB_LIN_STATE, 0x2D, LIN)
  • 49C2 49C2 Starter-generator on belt, diagnostic feedback
  • 49C5 49C5 Exhaust gas temperature sensor before turbine, signal
  • 49C6 49C6 Exhaust gas temperature sensor before turbine, signal
  • 49C7 49C7 Starter-generator on belt, diagnostic feedback
  • 49C8 49C8 Starter-generator on belt, diagnostic feedback
  • 49C9 DDE: DDE control module internal (control unit internal) (and 2 other meanings)
  • 49CA 49CA Monitoring Master/Slave faultpath for RailCDPMon faults (BIT6 is set in status byte 2)
  • 49CB 49CB Starter-generator on belt, diagnostic feedback
  • 49CC 49CC Starter-Generator in belt, diagnostic feedback
  • 49CD 49CD Fuel level sensor 2, signal (and 1 other meaning)
  • 49D0 49D0 Fuel level sensor 2, signal (and 1 other meaning)
  • 49D1 49D1 Fuel level sensor 1, signal (and 1 other meaning)
  • 49D2 Message (torque request ACC, 0xB7) incorrect, receiver DDE, transmitter ACC
  • 49D4 DDE: Rail-pressure control valve, activation (and 2 other meanings)
  • 49D5 49D5 Fuel level sensor 1, signal (and 1 other meaning)
  • 49D6 49D6 Reducing agent metering valve plausibility
  • 49D7 DDE: Message (ASC4) (and 4 other meanings)
  • 49D8 DDE: Message (ASC4) (and 4 other meanings)
  • 49D9 49D9 Exhaust backpressure after turbine, plausibility (and 1 other meaning)
  • 49DA 49DA Message (MS_PHI_SYNC, Private-CAN 0x401)
  • 49DB 49DB Reducing agent, metering valve, plausibility
  • 49DC 49DC Reducing agent active tank heating (and 1 other meaning)
  • 49DD 49DD Reducing agent active tank heating (and 1 other meaning)
  • 49E0 Message (torque request ACC, 0xB7) incorrect, receiver DDE, transmitter ACC
  • 49E1 49E1 Reducing agent active tank heating (and 1 other meaning)
  • 49E2 49E2 Reducing agent pressure line heating (and 2 other meanings)
  • 49E3 Message (torque request ACC, 0xB7) incorrect, receiver DDE, transmitter ACC
  • 49E4 DDE: Oxygen sensor, signal pump current, Nernst voltage or virtual ground (and 1 other meaning)
  • 49E5 49E5 Reducing agent pressure line heating (and 2 other meanings)
  • 49E6 49E6 Fuel level sensor 2, range (and 1 other meaning)
  • 49E7 DDE: Throttle actuator (and 1 other meaning)
  • 49E8 49E8 Fuel level sensor 2, range (and 1 other meaning)
  • 49EA 49EA Message (MST4, Private-CAN 0x560)
  • 49EB 49EB Fuel level sensor 1, range (and 1 other meaning)
  • 49EC 49EC Fuel level sensor 1, range (and 1 other meaning)
  • 49ED 49ED Reducing agent active tank heating (and 1 other meaning)
  • 49EF DDE: Oxygen sensor, signal pump current, Nernst voltage or virtual ground (and 1 other meaning)
  • 49F0 49F0 CAN bus C (and 2 other meanings)
  • 49F1 49F1 Sensor-CAN-bus (and 3 other meanings)
  • 49F2 DDE: message (speed, 0xCE) (and 4 other meanings)
  • 49F3 Message (speed, 0xCE) incorrect, receiver DDE, transmitter DSC (and 5 other meanings)
  • 49F4 DDE: Engine switch-off time, plausibility (and 1 other meaning)
  • 49F5 49F5 DDE control unit internal (LSU after catalytic converter SPI) (and 2 other meanings)
  • 49F6 49F6 Oxygen sensor after catalytic converter, shunt detection
  • 49F7 49F7 Swirl flap actuator (and 2 other meanings)
  • 49F9 49F9 DDE control unit internal (MonUMinSupply1) (and 2 other meanings)
  • 49FA 49FA Message (MST5, Private-CAN 0x561)
  • 49FC 49FC DDE control unit internal (LSU after catalytic converter reference resistor)
  • 49FD 49FD DDE control unit internal (LSU after catalytic converter reference resistor)
  • 49FE 49FE DDE control unit internal (MonUMaxSupply1) (and 2 other meanings)
  • 49FF DDE: Glow system, power supply (and 2 other meanings)
  • 4A00 4A00 Oxygen sensor after catalytic converter, pressure compensation
  • 4A01 4A01 Oxygen sensor after catalytic converter, pressure compensation
  • 4A02 DDE: Terminal 15 (and 3 other meanings)
  • 4A03 DDE: Terminal 15 (and 3 other meanings)
  • 4A04 4A04 Glow control unit, diagnostic feedback (and 2 other meanings)
  • 4A05 4A05 Generator (Layer_BSD) (and 1 other meaning)
  • 4A06 4A06 Generator (Layer_BSD) (and 1 other meaning)
  • 4A07 BSD, message; alternator: Missing (generator) (and 5 other meanings)
  • 4A08 BSD, message; alternator: Missing (generator) (and 5 other meanings)
  • 4A09 LIN / BSD, message; preheating control unit: Missing (glow control unit diagnostic feedback) (and 2 other meanings)
  • 4A0A 4A0A Message (SLV4, Private-CAN 0x568)
  • 4A0B 4A0B Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A0C 4A0C Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A0D 4A0D Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A0E DDE: Glow control module internal (and 2 other meanings)
  • 4A0F 4A0F Glow control unit, diagnostic feedback (and 3 other meanings)
  • 4A10 DDE: Bit serial data interface BSD (and 2 other meanings)
  • 4A11 4A11 Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A12 4A12 Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A13 DDE: Bit serial data interface BSD (and 1 other meaning)
  • 4A14 4A14 Glow plug cylinder 6, control (and 2 other meanings)
  • 4A15 DDE: Generator (and 3 other meanings)
  • 4A16 4A16 Generator (Layer_GEN) (and 1 other meaning)
  • 4A17 DDE: Generator (and 3 other meanings)
  • 4A18 DDE: Generator (and 3 other meanings)
  • 4A19 4A19 Glow plug cylinder 6, control (and 2 other meanings)
  • 4A1A 4A1A Message (SLV5, Private-CAN 0x569)
  • 4A1B 4A1B Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A1C 4A1C DDE control unit internal (LSU after catalytic converter calibration) (and 1 other meaning)
  • 4A1D 4A1D DDE control unit internal (LSU after catalytic converter calibration) (and 1 other meaning)
  • 4A1E 4A1E Glow plug cylinder 6, control (and 2 other meanings)
  • 4A1F 4A1F Preheating control unit (and 3 other meanings)
  • 4A20 DDE: Oxygen sensor behind cat. conv.
  • 4A21 4A21 Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A22 DDE: Charge-air pressure controller 2, activation (and 1 other meaning)
  • 4A23 DDE: Charge-air pressure controller 2, activation (and 1 other meaning)
  • 4A24 4A24 Glow plug cylinder 5, control (and 2 other meanings)
  • 4A25 DDE: Intelligent battery sensor, communication (and 2 other meanings)
  • 4A26 4A26 Intelligent battery sensor (Layer_DIBS1)
  • 4A27 DDE: Intelligent battery sensor, communication (and 2 other meanings)
  • 4A28 DDE: Intelligent battery sensor (intelligent battery sensor) (and 2 other meanings)
  • 4A29 4A29 Glow plug cylinder 5, control (and 2 other meanings)
  • 4A2A 4A2A Oxygen sensor after catalytic converter, signal pump current, Nernst voltage or virtual ground (and 2 other meanings)
  • 4A2B 4A2B Oxygen sensor after catalytic converter, signal pump current, Nernst voltage or virtual ground (and 2 other meanings)
  • 4A2C 4A2C Injectors, TPU (control unit internal) (and 1 other meaning)
  • 4A2D 4A2D DDE control unit internal (LSU after catalytic converter SPI) (and 2 other meanings)
  • 4A2E 4A2E Glow plug cylinder 5, control (and 2 other meanings)
  • 4A2F 4A2F Preheating control unit (and 3 other meanings)
  • 4A30 DDE: Multifunction steering wheel, signal (and 3 other meanings)
  • 4A31 DDE: Multifunction steering wheel, signal (and 3 other meanings)
  • 4A32 DDE: Multifunction steering wheel, signal (and 3 other meanings)
  • 4A33 DDE: Multifunction steering wheel, signal (and 3 other meanings)
  • 4A34 DDE: Glow plug, cylinder 4, activation (and 2 other meanings)
  • 4A35 DDE: Intelligent battery sensor (intelligent battery sensor) (and 1 other meaning)
  • 4A36 4A36 Intelligent battery sensor (Layer_DIBS2)
  • 4A37 DDE: Intelligent battery sensor (intelligent battery sensor) (and 1 other meaning)
  • 4A38 DDE: Intelligent battery sensor (intelligent battery sensor) (and 1 other meaning)
  • 4A39 DDE: Glow plug, cylinder 4, activation (and 2 other meanings)
  • 4A3A 4A3A Monitoring Master/Slave fault path for ZFCClbActv faults (BIT6 is set in status byte 2)
  • 4A3B 4A3B Oxygen sensor after catalytic converter (and 1 other meaning)
  • 4A3C 4A3C Oxygen sensor after catalytic converter (and 2 other meanings)
  • 4A3D 4A3D Oxygen sensor after catalytic converter, signal virtual ground (and 2 other meanings)
  • 4A3E DDE: Glow plug, cylinder 4, activation (and 2 other meanings)
  • 4A3F DDE: Glow control module (and 2 other meanings)
  • 4A40 4A40 EWS interface error (and 1 other meaning)
  • 4A41 DDE: EWS interface error
  • 4A42 DDE: EWS interface error
  • 4A43 DDE: EWS interface error
  • 4A44 DDE: Glow plug, cylinder 3, activation (and 2 other meanings)
  • 4A45 DDE: intelligent battery sensor, wake-up line (and 1 other meaning)
  • 4A46 4A46 Intelligent battery sensor (Layer_DIBS3)
  • 4A47 DDE: Intelligent battery sensor (intelligent battery sensor) (and 1 other meaning)
  • 4A48 DDE: intelligent battery sensor, wake-up line (and 1 other meaning)
  • 4A49 DDE: Glow plug, cylinder 3, activation (and 2 other meanings)
  • 4A4A 4A4A Torque reduction particle filter (and 1 other meaning)
  • 4A4B 4A4B Oxygen sensor after catalytic converter, signal pump current (and 2 other meanings)
  • 4A4C 4A4C Oxygen sensor after catalytic converter, signal Nernst voltage (and 2 other meanings)
  • 4A4D 4A4D Oxygen sensor after catalytic converter, heating (and 2 other meanings)
  • 4A4E DDE: Glow plug, cylinder 3, activation (and 2 other meanings)
  • 4A4F DDE: Glow control module (and 2 other meanings)
  • 4A50 4A50 EWS EEPROM alternate code storage faulty (and 3 other meanings)
  • 4A51 DDE: EWS EEPROM random code storage faulty (and 4 other meanings)
  • 4A52 4A52 Oxygen sensor after catalytic converter, heating (and 2 other meanings)
  • 4A53 4A53 Oxygen sensor after catalytic converter, heating control (and 2 other meanings)
  • 4A54 DDE: Glow plug, cylinder 2, activation (and 2 other meanings)
  • 4A55 4A55 Power management battery (Layer_PMBATT)
  • 4A56 DDE: Power management, battery
  • 4A57 4A57 Power management battery (Layer_PMBATT)
  • 4A58 DDE: Power management, battery (and 1 other meaning)
  • 4A59 DDE: Glow plug, cylinder 2, activation (and 2 other meanings)
  • 4A5A 4A5A Monitoring Master/Slave fault path for NetMng powertrain fault
  • 4A5B 4A5B Oxygen sensor after catalytic converter, heating control (and 2 other meanings)
  • 4A5C 4A5C Oxygen sensor after catalytic converter, heating control (and 2 other meanings)
  • 4A5D 4A5D Oxygen sensor after catalytic converter, heating control (and 2 other meanings)
  • 4A5E DDE: Glow plug, cylinder 2, activation (and 2 other meanings)
  • 4A5F DDE: Glow control module (and 2 other meanings)
  • 4A60 DDE: EWS tampering
  • 4A61 DDE: EWS tampering
  • 4A62 DDE: EWS tampering
  • 4A63 DDE: EWS tampering
  • 4A64 DDE: Glow plug, cylinder 1, activation (and 2 other meanings)
  • 4A65 DDE: Power management, vehicle electrical system
  • 4A66 DDE: Power management, vehicle electrical system

Every BMW module's fault codes