U0123moderate severityNetwork
Lost Communication with Yaw Rate Sensor Module
on 2000 Audi A4 2.8L V6 · AWD
What this code means
Cannot communicate specifically with the yaw rate sensor that measures vehicle rotation.
Symptoms
- Stability control disabled
- ESC warning light
- Yaw rate data unavailable
- Traction control off
Common causes
- Yaw rate sensor failure
- Wiring damage
- Module power loss
- CAN bus issue
- Sensor mounting loose
Diagnostic steps
- Check sensor fuse
- Test sensor power and ground
- Check CAN bus wiring
- Inspect sensor mounting
- Test sensor output
Repair notes
Yaw rate sensor typically mounted centrally in vehicle. Check mounting and wiring.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01315
Transmission Control Module (TCM) - No Communication
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus