B0053: Second Row Left Seat Belt Sensor
Standardized SAE J2012 code · B00xx — Restraints and airbags
Safety-critical system. Faults in airbags, brakes, steering or high-voltage components can put people at risk. Follow the manufacturer's service information and safety procedures, or have the vehicle checked by a qualified workshop.
What does B0053 mean?
Passenger Pretensioner Deployment Control: the restraints module has detected a fault in this airbag/pretensioner deployment circuit, which may prevent correct deployment in a crash. Safety-critical.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
- High Pretensioner squib circuit open or shorted
- Medium Connector under passenger seat damaged
- Low SRS control module fault
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of B0053 on the same make and model first.
B0053 in the community
Ask about B0053No one has posted about B0053 yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your B0053 problem