BMW trailer module fault codes
The 92 fault codes the trailer module 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)
- 0000 Control unit error
- 0006 Stack overflow
- 0007 Cycle time overflow
- 0010 Communication error timeout
- 0011 Synchronization error time limit
- 001D Fine potentiometer adjustment negative reference voltage
- 001E Fine potentiometer ( 1 ) error 90 degrees
- 0021 Voltage wiper 1 fine potentiometer ( 1 )
- 0022 Voltage wiper 2 fine potentiometer ( 2 )
- 0023 Steering wheel angle statistics 0-point
- 0025 Steering wheel angle > maximum
- 0027 Steering wheel angle comparison error P1 to P2
- 0028 Steering wheel angle calibration data
- 0029 Fine potentiometer - adjustment 90 degrees
- 002A Negative reference voltage fine potentiometer > maximum
- 002B Negative reference voltage fine potentiometer < minimum
- 002C LRW alignment error fault
- 002D classification not clear
- 002F Change in steering wheel angle > maximum
- 0030 Fine potentiometer adjustment incomplete
- 0031 Fine potentiometer adjustment installation position
- 0032 Wheel sensor front left VLV low fault
- 0033 Wheel sensor front left VLV high fault
- 0034 Wheel sensor front right VRV low fault
- 0035 Wheel sensor front right VRV high fault
- 0036 (Tachometer 'A' signal) VTACHO low error
- 0037 (Tachometer 'A' signal) VTACHO high error
- 0039 V - calibration limits
- 003A V - calibration data
- 003B Vref - comparison error P1 to P2
- 003C Actuator travel setpoint - actual tolerance error
- 003E Actuator travel sensor 1 wiper voltage
- 003F Actuator travel sensor 1 negative reference voltage > maximum
- 0040 Actuator travel sensor 2 wiper voltage
- 0041 Actuator travel sensor 1 negative reference voltage < minimum
- 0043 Actuator travel sensor 1 calibration installation position
- 0044 Actuator travel sensor 2 calibration installation position
- 0045 Actuator travel - setpoint comparison error P1 to P2
- 0046 Matching error difference between sensor 1 and sensor 2
- 0047 Actuator travel - actual calibration data
- 0048 Actuator travel - actual - sensor 1 / 2 comparison error
- 0049 Actuator travel - actual - difference at terminal test
- 004A Actuator travel sensor 2 positive reference voltage > maximum
- 004B Actuator travel sensor 2 positive reference voltage < minimum
- 004F Actuator travel - actual difference
- 0050 Error lamp defective
- 0064 I-bus defect
- 0065 EKM does not respond
- 0069 VLV - comparison error P1 to P2
- 006A VRV - comparison error P1 to P2
- 006B VTacho - comparison error P1 to P2
- 006E EEProm memory error
- 006F EEProm continuously busy
- 0073 Oil pressure - Sensor - Voltage < Minimum
- 0074 Oil pressure - Sensor positive reference voltage < Minimum
- 0075 Oil pressure - Sensor positive reference voltage > Maximum
- 0077 Oil pressure - Sensor - Voltage > Maximum
- 0078 Activation pressure lost
- 0079 No pressure change in 60 seconds
- 007A Average storage charge time too long
- 007B Oil pressure value less than clamping threshold
- 007C Oil pressure value less than activation threshold
- 007D Oil pressure value less than emergency control threshold
- 007E Average storage discharge time too short
- 007F Oil pressure greater than storage shutoff threshold
- 0080 Activation duration storage charge valve too long
- 0081 Oil pressure comparison error P1 to P2
- 0082 Current control error for proportional valve spool 1
- 0083 Current control error for proportional valve spool 2
- 0084 MSV error during terminal line test
- 0085 HSV1 error in clamp line test
- 0086 HSV2 error in clamp line test
- 0087 DV error during clamp line test
- 0088 PV1 error during clamp line test
- 0089 PV2 error during clamp line test
- 008A PV1 + PV2 - Current during operation > maximum
- 008B PV - Current calibration limits
- 008C PV - Current calibration data
- 0096 Battery voltage < 9 V
- 0097 Battery voltage < 10 V
- 0098 Battery voltage < 11 V
- 0099 Battery voltage > 16 V
- 009A Battery voltage > 18 V
- 009D Battery voltage calibration limits
- 009E Battery voltage calibration data
- 009F Battery voltage comparison error P1 to P2
- 00A0 Proportional valve 1 error
- 00B0 Proportional valve 2 error
- 00C0 mechanical lock valve
- 00D0 Hydraulic check valve 1
- 00E0 Hydraulic check valve 2
- 00F0 Accumulator charge valve
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