U0169low severityNetwork
Lost Communication with Fuel Level Control Module
on 1998 Audi A6 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
- Check fuel gauge module fuse
- Test power and ground
- Check CAN wiring
- Test fuel level sender resistance
- Inspect fuel tank wiring connector
Repair notes
Check fuses and fuel sender. Fuel sender is most common failure point.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01315
Transmission Control Module (TCM) - No Communication
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus