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2002 AUDI A6
3.0L V6•AWD•AUTOMATIC•gas•AVK
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor502Torque2211Fluid10DTC923Battery1Maintenance0Recalls4
U0122moderate severityNetwork

Lost Communication with Vehicle Dynamics Control Module

on 2002 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

  1. Check yaw rate sensor module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Inspect sensor for physical damage
  5. 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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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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