U0231low severityNetwork
Lost Communication With Rain Sensing Module
on 2003 Audi A6 3.0L V6 · AWD
What this code means
The vehicle lost communication with the rain sensing module. Automatic wiper operation may fail.
Symptoms
- Auto wipers not working
- Warning light or message
- Wipers stuck in manual mode
Common causes
- Faulty rain sensing module
- Wiring or connector fault
- Blown fuse or lost power/ground
- Damaged bus wiring
Diagnostic steps
- Scan for communication codes
- Check module power and ground
- Inspect connector at windshield
- Test bus wiring continuity
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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