U0202moderate severityNetwork
Lost Communication with Wiper Control Module
on 2004 Audi A6 3.0L V6 · AWD
What this code means
Cannot communicate with the windshield wiper control module.
Symptoms
- Wipers not working
- Wiper speed not changing
- Intermittent wiper mode not working
- Rear wiper inoperative
Common causes
- Wiper module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Wiper motor failure
Diagnostic steps
- Check wiper module fuse
- Test power and ground
- Check CAN wiring
- Test wiper motor directly
- Inspect wiper switch
Repair notes
Check fuses and wiper motor. Module may be integrated into wiper motor assembly.
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00003
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U0001
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