Seat Belt Buckle Switch Circuit - Driver
1990-1997 Ford Aerostar 4.0L V6
Description
Malfunction in the driver seat belt buckle switch circuit. The switch detects whether the driver seat belt is fastened.
Symptoms
- Seat belt warning chime constantly on or off
- Seat belt indicator always on or off
- Airbag staging may be incorrect
- False buckled/unbuckled reading
Common Causes
- Faulty buckle switch
- Damaged wiring to buckle
- Debris in buckle mechanism
- Connector corrosion
Diagnostic Steps
- Check buckle switch operation with scan tool
- Inspect wiring to buckle
- Test switch with multimeter
- Clean buckle mechanism
Repair Notes
Replace seat belt buckle assembly or repair wiring. Do not modify the switch.
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
B0059 on Other Vehicles
Ford Aerostar
1990-1997 3.0L V6
Ford Bronco
1990-1996 4.9L I6 300
Ford Bronco
1990-1996 5.0L V8 302 Windsor
Ford Bronco
1990-1996 5.8L V8 351 Windsor
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Common Questions
What does code B0059 mean on a 1990-1997 Ford Aerostar?
B0059 stands for "Seat Belt Buckle Switch Circuit - Driver". Malfunction in the driver seat belt buckle switch circuit. The switch detects whether the driver seat belt is fastened.
What are the symptoms of B0059 on a Ford Aerostar?
Common symptoms of B0059 include: Seat belt warning chime constantly on or off, Seat belt indicator always on or off, Airbag staging may be incorrect, False buckled/unbuckled reading.
What causes B0059 on a 1990-1997 Ford Aerostar?
Common causes of B0059 include: Faulty buckle switch, Damaged wiring to buckle, Debris in buckle mechanism, Connector corrosion.