Passenger Seat Occupancy Sensor Circuit Short
2004-2004 Mitsubishi Eclipse 3.0L V6
The 2004 Mitsubishi Eclipse is equipped with a 3.0L V6 engine. Below you'll find detailed b0063 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
Mitsubishi 3000GT
1996-1996 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1997-1997 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1998-1998 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1999-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Common Questions
What does code B0063 mean on a 2004-2004 Mitsubishi Eclipse?
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 Mitsubishi Eclipse?
Common symptoms of B0063 include: Passenger airbag status erratic, Airbag light on, Incorrect airbag staging for passenger.
What causes B0063 on a 2004-2004 Mitsubishi Eclipse?
Common causes of B0063 include: Liquid spilled on seat damaging sensor, Pinched sensor mat wiring, Corroded connector under seat.
Last updated: March 2026