U1088low severityNetwork
Loss of Communication with Key Fob
on 2006 Audi A4 3.2L V6 · AWD
What this code means
The vehicle cannot communicate with the key fob for keyless entry or push-button start.
Symptoms
- Keyless entry not working
- Push-button start not detecting key
- Key fob not recognized
- Place key in backup location message
Common causes
- Key fob battery dead
- Key fob internal failure
- Vehicle receiver failure
- Fuse blown
- Antenna module failure
- RF interference
Diagnostic steps
- Replace key fob battery
- Test with spare key fob
- Check keyless entry receiver fuse
- Test key fob signal with diagnostic tool
- Check for RF interference sources
Repair notes
Replace key fob battery first. Test with second key. If both keys fail, check vehicle receiver module.
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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