OBD-II code · Body
B0074 Driver Seatbelt Pretensioner Loop Short to Battery
The driver seatbelt pretensioner deployment circuit is shorted to battery voltage, risking unintended firing.
Is it safe to drive with B0074?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyWire shorted to powered conductor
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Driver Seatbelt Pretensioner, Srs Seat Wiring
Related codes
- B0071First Row Center Seat Belt Pretensioner Deployment Control
- B0072Driver Seatbelt Pretensioner Loop Open
- B0073Driver Seatbelt Pretensioner Loop Short to Ground
- B0075Second Row Right Seat Belt Pretensioner Deployment Control
- B0076Driver Seatbelt Pretensioner Resistance Low
- B0077Driver Seatbelt Pretensioner Resistance High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.