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2018 AUDI A6

3.0L Supercharged V6FWDAUTOMATICgassupercharged
2 active safety recalls on this vehicle — view recalls
Repairs0Labor494Torque3881Fluid6DTC922Battery0Maintenance0Recalls2
C0425moderate severityChassis

Pre-Collision System Sensor Fusion Error

on 2018 Audi A6 3.0L Supercharged V6 · FWD

What this code means

The pre-collision system detects a mismatch between radar and camera object detection data.

Symptoms

  • PCS temporarily disabled
  • Intermittent PCS warnings
  • False collision alerts or no alerts
  • System unreliable in certain conditions

Common causes

  • Radar or camera misalignment
  • Sensor calibration drift
  • One sensor partially blocked
  • Environmental interference

Diagnostic steps

  1. Perform radar alignment check
  2. Calibrate forward camera
  3. Clean all sensor surfaces
  4. Check for software updates
  5. Test in controlled conditions

Repair notes

Calibrate all PCS sensors. Perform both static and dynamic calibration as required.

Other Chassis codes on this vehicle

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