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2010 AUDI A8
4.2L V8•AWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
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Repairs0Labor488Torque2164Fluid9DTC1115Battery1Maintenance0Recalls1
U0124moderate severityNetwork

Lost Communication with Lateral Acceleration Sensor Module

on 2010 Audi A8 4.2L V8 · AWD

What this code means

Cannot communicate with the lateral G-force sensor module.

Symptoms

  • Stability control disabled
  • ESC warning light
  • Rollover protection limited

Common causes

  • Lateral acceleration sensor failure
  • CAN bus wiring
  • Module power loss
  • Sensor damage

Diagnostic steps

  1. Check sensor fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Inspect sensor mounting
  5. Test sensor output with scan tool

Repair notes

Lateral acceleration sensor is part of stability control system. Check mounting and wiring.

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