BMW single-axle air suspension fault codes
The 128 fault codes the single-axle air suspension 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: 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)
- 0001 Bellows valve front left
- 0002 Bellows valve front right
- 0003 Bellows valve rear left
- 0004 Bellows valve rear right
- 0005 Transverse locking valve front
- 0006 Transverse locking valve rear
- 0007 Exhaust valve
- 0008 High pressure exhaust valve
- 0009 Accumulator valve
- 000A Compressor relay
- 0014 Supply bellows valves front
- 0015 Supply bellows valves rear
- 0016 Supply transverse locking valves
- 0017 Supply storage valve/drain valve
- 0018 Supply high pressure drain valve
- 001E Height sensor front left
- 001F Height sensor front right
- 0020 Height sensor rear left
- 0021 Height sensor rear right
- 0022 Accumulator pressure sensor
- 0023 Supply memory pressure sensor
- 0024 Compressor temperature sensor
- 0025 VA signal
- 0032 CAN Bus
- 0034 Storage fault control unit
- 0035 Internal fault control unit
- 0036 Coding data error
- 0037 Internal calibration fault control unit
- 0064 Skew plausibility
- 0065 No/too slow operation (entire vehicle) when raising requested
- 0066 No/too slow operation (entire vehicle) when lowering requested
- 0067 too much energy required for control: front axle
- 0068 too much energy required for control: rear left
- 0069 too much energy required for control: rear right
- 006A Too much energy to reach target height: front axle
- 006B Too much energy to reach target height: rear left
- 006C Too much energy to reach target height: rear right
- 006D Altitude change in wrong direction (at least one wheel) when raising requested
- 006E Altitude change in wrong direction (at least one wheel) when lowering requested
- 006F Compressor temperature rises when compressor is not energized
- 0070 Compressor temperature does not rise when compressor is energized
- 0071 Compressor temperature does not drop when compressor is not energized
- 0072 Accumulator pressure rises when accumulator is not active
- 0073 Accumulator pressure drops when accumulator is not active
- 0074 Accumulator pressure remains constant when accumulator filling is requested
- 0075 Accumulator pressure initially drops when accumulator filling is requested
- 0076 Accumulator pressure drops when accumulator filling is requested
- 0077 Accumulator pressure remains constant when venting is requested
- 0078 Accumulator pressure rises when venting is requested
- 0079 Accumulator pressure remains constant when moving up from accumulator
- 007A Accumulator pressure rises when moving up from accumulator
- 007B Transverse locking plausibility front axle
- 007C Transverse locking plausibility rear axle
- 007D left front moves too slowly
- 007E right front moves too slowly
- 007F Activity plausibility front left
- 0080 Activity plausibility front right
- 0081 Activity plausibility rear left
- 0082 Activity plausibility rear right
- 5F8C EHC: Bellows valve, front left
- 5F8D EHC: Bellows valve, front right
- 5F8E EHC: Ride level sensor, rear left (and 1 other meaning)
- 5F8F EHC: Ride-level sensor, rear right (and 1 other meaning)
- 5F90 Axle differential lock valve, front (and 2 other meanings)
- 5F91 Axle differential lock valve, rear
- 5F92 EHC: Supply, ride-level sensor, rear left (and 1 other meaning)
- 5F93 EHC: Supply, ride-level sensor, rear right (and 1 other meaning)
- 5F94 EHC: Solenoid valve, rear left (and 1 other meaning)
- 5F95 EHC: Solenoid valve, rear right (and 1 other meaning)
- 5F96 EHC: Supply, bellows valves, front (and 2 other meanings)
- 5F97 EHC: Compressor relay (and 1 other meaning)
- 5F98 EHC: Control-time fault, lifting, rear left (and 1 other meaning)
- 5F99 EHC: Control-time fault, lifting, rear right (and 1 other meaning)
- 5F9A EHC: Control time fault, lifting (and 1 other meaning)
- 5F9B EHC: Control time fault, lowering (and 1 other meaning)
- 5F9C EHC: Sensor activity, ride-level sensor, rear left (and 1 other meaning)
- 5F9D EHC: Sensor activity, ride-level sensor, rear right (and 1 other meaning)
- 5F9E EHC: Ride-level sensor, rear right
- 5F9F EHC: Accumulator pressure sensor
- 5FA0 EHC: Supply, accumulator pressure sensor
- 5FA1 EHC: Compressor temperature sensor
- 5FA2 Load-cutoff signal
- 5FA4 EHC: Memory fault, control module
- 5FA5 EHC: Internal fault, control module
- 5FA6 EHC: Coding-data fault
- 5FA7 EHC: Internal adjustment fault, control module
- 5FA8 EHC: Distortion plausibility
- 5FA9 EHC: No process/process to slow (compl. veh.) when raising requested
- 5FAA EHC: No process/process to slow (compl. veh.) when lowering requested
- 5FAB EHC: Too much energy needed for a control operation: front axle
- 5FAC EHC: Too much energy needed for a control operation: rear left
- 5FAD EHC: Too much energy needed for a control operation: rear right
- 5FAE EHC: Too much energy needed to reach target height: front axle
- 5FAF EHC: Too much energy needed to reach target height: rear left
- 5FB0 EHC: Too much energy needed to reach target height: rear right (and 2 other meanings)
- 5FB1 EHC: Ride-level alteration in wrong direction (min. one wheel) when raising requested (and 2 other meanings)
- 5FB2 EHC: Ride-level alteration in wrong direction (min. one wheel) when lowering requested (and 2 other meanings)
- 5FB3 EHC: Compressor temperature rises when compressor is not activated (and 2 other meanings)
- 5FB4 EHC: Transport mode active (and 1 other meaning)
- 5FB5 EHC: Compressor temperature does not drop when compressor is not activated (and 1 other meaning)
- 5FB6 EHC: Accumulator pressure rises when accumulator is not active
- 5FB7 EHC: Accumulator pressure drops when accumulator is not active
- 5FB8 EHC: Accumulator pressure remains constant when accumulator filling is requested
- 5FB9 EHC: Accumulator pressure drops initially when accumulator filling is requested (initially)
- 5FBA EHC: Accumulator pressure drops initially when accumulator filling is requested
- 5FBB EHC: Accumulator pressure remains constant when venting is requested
- 5FBC EHC: Accumulator pressure rises when venting is requested
- 5FBD EHC: Accumulator pressure remains constant when proceeding out of accumulator
- 5FBE EHC: Accumulator pressure rises when proceeding out of accumulator
- 5FBF Axle differential lock plausibility, front axle
- 5FC0 Axle differential lock plausibility, rear axle
- 5FC1 front left moving too slowly
- 5FC2 front right moving too slowly
- 5FC3 EHC: Activity plausibility, front left
- 5FC4 EHC: Activity plausibility, front right
- 5FC5 EHC: Activity plausibility, rear left
- 5FC6 EHC: Activity plausibility, rear right
- 5FC7 EHC: Transport mode active
- D704 EHC: K-CAN line fault
- D707 EHC: K-CAN communication fault
- D710 Message error (status, central locking system, 0x2FC), receiver EHC
- D711 Message error (engine data, 0x1D0), receiver EHC
- D712 Message error (speed, 0x1A0), receiver EHC
- D713 Message error (terminal status, 0x130), receiver EHC
- D73C EHC: K-CAN fault value received
- D73D K-CAN implausible signal
- D73E EHC: K-CAN telegram timeout
- D743 K-CAN NM fault value received
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