B0063
Passenger Seat Occupancy Sensor Circuit Short
1999-2000 BMW 528iT E39 2.8L I6 🇩🇪
High SeverityBody
Description
A short circuit in the passenger occupancy sensor mat causes incorrect classification readings.
Symptoms
- Passenger airbag status erratic
- Airbag light on
- Incorrect airbag staging for passenger
Common Causes
- Liquid spilled on seat damaging sensor
- Pinched sensor mat wiring
- Corroded connector under seat
Diagnostic Steps
- Check for moisture under seat cushion
- Inspect sensor connector
- Measure circuit resistance
- Test with known weight
Repair Notes
Replace sensor mat if liquid-damaged. Repair wiring if pinched.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0063 on Other Vehicles
Common Questions
What does code B0063 mean on a 1999-2000 BMW 528iT E39?
B0063 stands for "Passenger Seat Occupancy Sensor Circuit Short". A short circuit in the passenger occupancy sensor mat causes incorrect classification readings.
What are the symptoms of B0063 on a BMW 528iT E39?
Common symptoms of B0063 include: Passenger airbag status erratic, Airbag light on, Incorrect airbag staging for passenger.
What causes B0063 on a 1999-2000 BMW 528iT E39?
Common causes of B0063 include: Liquid spilled on seat damaging sensor, Pinched sensor mat wiring, Corroded connector under seat.