B0057critical severityBody
Rear Right Seat Belt Pretensioner Circuit
on 2021 Mazda MX-5 Miata 2.0L I4 · RWD
What this code means
Malfunction in the rear right seat belt pretensioner deployment circuit.
Symptoms
- Airbag/seatbelt warning light on
- SRS code stored
- Rear right pretensioner inoperative
Common causes
- Faulty pretensioner
- Wiring damage
- Connector corrosion
- Previous rear collision
Diagnostic steps
- Scan SRS codes
- Check rear right pretensioner connector
- Inspect wiring
- Measure circuit resistance
Repair notes
Replace pretensioner or repair wiring.
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
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0009
Rear Center Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment