U0148low severityNetwork
Lost Communication with Seat Control Module B
on 2000 Audi A4 2.8L V6 · AWD
What this code means
Cannot communicate with the passenger seat control module.
Symptoms
- Passenger power seat inoperative
- Passenger seat memory not working
- Passenger seat heater not controlled
Common causes
- Seat module failure
- Wiring issue under seat
- Power loss to module
- Fuse blown
Diagnostic steps
- Check seat module fuse
- Test power and ground
- Inspect wiring
- Check connector under seat
Repair notes
Check connector under passenger seat. Same diagnosis approach as driver seat module.
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Other Network codes on this vehicle
00003
Control Module - Defective
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01312
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01315
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01316
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U0001
High Speed CAN Communication Bus