Passenger Seat Belt Pretensioner Circuit Short
2010-2021 Fiat Uno 1.0L I4 Flex Fire Evo
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
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0055 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code B0055 mean on a 2010-2021 Fiat Uno?
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 Fiat Uno?
Common symptoms of B0055 include: Airbag/seatbelt warning light on, SRS fault stored, Unintended deployment risk.
What causes B0055 on a 2010-2021 Fiat Uno?
Common causes of B0055 include: Wiring insulation damage, Pinched wire, Moisture in connector, Squib failure.