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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
U0169low severityNetwork

Lost Communication with Fuel Level Control Module

on 2000 Audi A4 2.8L V6 · AWD

What this code means

Cannot communicate with the fuel level sender or fuel gauge control module.

Symptoms

  • Fuel gauge not reading
  • Fuel level stuck at one position
  • Low fuel warning inaccurate
  • Range calculator not working

Common causes

  • Fuel level module failure
  • CAN bus wiring
  • Module power loss
  • Fuel sender failure
  • Fuse blown

Diagnostic steps

  1. Check fuel gauge module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Test fuel level sender resistance
  5. Inspect fuel tank wiring connector

Repair notes

Check fuses and fuel sender. Fuel sender is most common failure point.

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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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