01318high severityNetwork
Immobilizer Control Module - No Communication
on 2011 Audi S6 5.2L V10 · AWD
What this code means
No data is being received from the immobilizer module. Similar to OBD U0167 (Lost Communication with Immobilizer Module).
Symptoms
- Engine will not start
- Immobilizer warning light
- Key not recognized
Common causes
- Immobilizer module fault
- CAN or K-line wiring damage
- Power or ground fault
- Faulty key/transponder
Diagnostic steps
- Check immobilizer power and ground
- Verify communication wiring
- Scan for related faults
- Replace immobilizer module if faulty
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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
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance