B0084low severityBody
Passenger Seat Lumbar Motor Circuit
on 2013 Audi A6 3.0L Supercharged V6 · AWD
What this code means
Malfunction in the passenger seat lumbar support motor circuit.
Symptoms
- Passenger lumbar not adjusting
- No response from switch
- Motor running but no movement
Common causes
- Faulty motor
- Switch failure
- Wiring issue
- Mechanical linkage broken
Diagnostic steps
- Test switch
- Direct-power motor
- Inspect wiring
- Check mechanical linkage
Repair notes
Replace lumbar motor, switch, or repair linkage.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0005
Driver Knee Airbag Deployment Circuit