B0070: Driver Seat Belt Pretensioner A Deployment Control
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 B0070 mean?
The SRS module has detected a fault in the rollover sensor circuit. The rollover sensor triggers curtain airbags and seat belt pretensioners when the vehicle approaches a tip-over angle.
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 Rollover sensor failed
- Medium Wiring or connector fault
- 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 B0070 on the same make and model first.
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