U0223high severityNetwork
Lost Communication With Zone Module D
on 2002 Audi A6 3.0L V6 · AWD
What this code means
The network has lost communication with zone module D. Multiple electrical functions in that zone may fail.
Symptoms
- Several features inoperative
- Warning lights illuminated
- Unstable electrical operation
Common causes
- Faulty zone module D
- Connector or wiring fault
- Power or ground loss
- Fuse failure
Diagnostic steps
- Scan for lost comm codes
- Verify module power and ground
- Inspect connectors and harness
- Check CAN communication
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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