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2005 AUDI TT
3.2L VR6•AWD•DCT•gas•BHE
1 active safety recall on this vehicle — view recalls
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Repairs0Labor496Torque3142Fluid10DTC1029Battery1Maintenance0Recalls1
U0168critical severityNetwork

Lost Communication with Passive Restraint Module

on 2005 Audi TT 3.2L VR6 · AWD

What this code means

Cannot communicate with the passive restraint or supplemental restraint (SRS) module.

Symptoms

  • Airbag warning light on
  • SRS system disabled
  • Seatbelt pretensioners disabled
  • Passenger airbag status unknown

Common causes

  • SRS module failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • Clockspring failure

Diagnostic steps

  1. Check SRS module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Check clockspring
  5. Inspect SRS connectors under seats

Repair notes

Safety critical system. Check fuses. Do not attempt to service SRS without proper training.

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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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