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2000 AUDI A4
2.8L V6•AWD•AUTOMATIC•gas•ACK
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor506Torque3224Fluid9DTC900Battery1Maintenance0Recalls5
U0132high severityNetwork

Lost Communication with Ride Level Control Module

on 2000 Audi A4 2.8L V6 · AWD

What this code means

Cannot communicate with the air suspension or ride height control module.

Symptoms

  • Suspension warning light
  • Vehicle sitting low
  • Ride height not adjusting
  • Compressor running constantly or not at all

Common causes

  • Air suspension module failure
  • CAN bus wiring issue
  • Module power loss
  • Fuse blown
  • Air compressor relay failure

Diagnostic steps

  1. Check ride level module fuse
  2. Test module power and ground
  3. Check CAN wiring
  4. Test air compressor operation
  5. Check height sensor signals

Repair notes

Check fuses and air compressor relay. Common on vehicles with air suspension (Lincoln, Mercedes, Range Rover).

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