B0054critical severityBody
Passenger Seat Belt Pretensioner Circuit Open
on 2004 Mazda MX-5 Miata 1.8L I4 · RWD
What this code means
Open circuit in the passenger seat belt pretensioner deployment loop.
Symptoms
- Airbag/seatbelt warning light on
- SRS fault stored
- Passenger pretensioner inoperative
Common causes
- Disconnected connector
- Broken wire
- Faulty pretensioner
- Prior service not reconnected
Diagnostic steps
- Scan SRS codes
- Check passenger pretensioner connector
- Inspect B-pillar wiring
- Measure loop resistance
Repair notes
Reconnect or repair pretensioner circuit.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground
B0013
Driver Side Airbag Deployment Circuit Short to Battery