OBD-II code · Body
B0090 Driver Side Pretensioner Stage 2 Deployment Control
Driver Side Pretensioner Stage 2 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.
Is it safe to drive with B0090?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyStage 2 squib circuit open or shorted
- PossibleConnector under driver seat damaged
- Less likelySRS control module fault
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
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Driver Pretensioner, Srs Control Module, Srs Wiring
Related codes
- B0086Passenger Seatbelt Pretensioner Resistance Low
- B0087Passenger Seatbelt Pretensioner Resistance High
- B0088Third Row Right Seat Belt Load Limiter Deployment Control
- B0091Passenger Side Pretensioner Stage 2 Deployment Control
- B0092Side Impact Sensor Left Front Malfunction
- B0093Side Impact Sensor Left Front Communication Lost
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.