U0122moderate severityNetwork
Lost Communication with Vehicle Dynamics Control Module
on 2000 BMW 525i 2.5L I6 M54 · RWD
What this code means
Cannot communicate with the vehicle dynamics or yaw rate sensor module.
Symptoms
- Stability control light on
- ESC disabled
- Traction control not functioning
- Yaw rate data unavailable
Common causes
- Yaw rate sensor module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Sensor damage from impact
Diagnostic steps
- Check yaw rate sensor module fuse
- Test power and ground
- Check CAN wiring
- Inspect sensor for physical damage
- Check sensor mounting
Repair notes
Check module fuse and mounting. Yaw rate sensors can be damaged by impacts or underbody contact.
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Other Network codes on this vehicle
CC-ID-181
System Check Failed
CC-ID-207
Central Electronics Failure, Stop Vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High