B0201low severityBody
Passenger Power Window Motor Circuit
on 2000 BMW 540iT E39 4.4L V8 · RWD
What this code means
Malfunction in the passenger power window motor circuit.
Symptoms
- Passenger window not moving
- Window moves intermittently
- Motor noise but no movement
Common causes
- Faulty window motor
- Broken regulator
- Switch failure
- Wiring issue
- Child lock switch engaged
Diagnostic steps
- Check child lock switch
- Test window switch
- Apply direct power to motor
- Inspect regulator
- Check wiring
Repair notes
Replace motor or regulator. Verify child lock is not engaged.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground
B0013
Driver Side Airbag Deployment Circuit Short to Battery