U0122moderate severityNetwork
Lost Communication with Vehicle Dynamics Control Module
on 2001 Audi A6 3.0L V6 · AWD
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
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
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01315
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01316
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01318
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01321
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U0001
High Speed CAN Communication Bus