U0147low severityNetwork
Lost Communication with Seat Control Module A
on 2000 Audi A6 2.8L V6 · AWD
What this code means
Cannot communicate with the driver seat control module.
Symptoms
- Power seat not adjustable
- Seat memory not working
- Seat heater/cooler from module not working
- Seat position not stored
Common causes
- Seat module failure
- Wiring in seat track area
- Module power loss
- Fuse blown
- Connector under seat disconnected
Diagnostic steps
- Check seat module fuse
- Test power and ground
- Inspect wiring under seat
- Check connector under seat
- Try direct module communication
Repair notes
Check under-seat connector first, often disconnected during cleaning or item retrieval.
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