B0074: Second Row Center Seat Belt Pretensioner 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 B0074 mean?
The driver seatbelt pretensioner deployment circuit is shorted to battery voltage, risking unintended firing.
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 Wire shorted to powered conductor
Likelihood is a general estimate across vehicles; your make and model may differ.
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