OBD-II code · Body
B0030 Driver Side Curtain Airbag Stage 2
The SRS module has detected a fault in the driver-side curtain airbag stage 2 deployment circuit. Two-stage curtain airbags use a second charge for severe lateral impacts.
Is it safe to drive with B0030?
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
- PossibleRoof rail connector loose
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
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Curtain Airbag Module, Srs Control Module, Srs Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.