Passenger Seat Belt Pretensioner Circuit Short
2005-2005 Buick Century 3.1L V6
The 2005 Buick Century is equipped with a 3.1L V6 engine. Below you'll find detailed b0055 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Short circuit detected in the passenger seat belt pretensioner deployment circuit.
Symptoms
- Airbag/seatbelt warning light on
- SRS fault stored
- Unintended deployment risk
Common Causes
- Wiring insulation damage
- Pinched wire
- Moisture in connector
- Squib failure
Diagnostic Steps
- Disconnect battery
- Inspect wiring
- Check connector condition
- Measure isolation resistance
Repair Notes
Repair short or replace pretensioner assembly immediately.
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
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0055 on Other Vehicles
Common Questions
What does code B0055 mean on a 2005-2005 Buick Century?
B0055 stands for "Passenger Seat Belt Pretensioner Circuit Short". Short circuit detected in the passenger seat belt pretensioner deployment circuit.
What are the symptoms of B0055 on a Buick Century?
Common symptoms of B0055 include: Airbag/seatbelt warning light on, SRS fault stored, Unintended deployment risk.
What causes B0055 on a 2005-2005 Buick Century?
Common causes of B0055 include: Wiring insulation damage, Pinched wire, Moisture in connector, Squib failure.
Last updated: March 2026