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2018 AUDI A6
3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor507Torque3472Fluid7DTC1143Battery1Maintenance0Recalls2
U0163low severityNetwork

Lost Communication with Navigation Module

on 2018 Audi A6 3.0L Supercharged V6 · AWD

What this code means

Cannot communicate with the navigation processing module separate from the display.

Symptoms

  • Navigation function unavailable
  • Map calculations not processing
  • Route guidance not working

Common causes

  • Navigation processor failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • GPS antenna issue

Diagnostic steps

  1. Check navigation module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Verify GPS antenna connection
  5. Test module with diagnostics

Repair notes

Check fuses and GPS antenna cable. Navigation processor may need map data update.

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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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