OBD-II code · Body
B0051 Driver Frontal Deployment Control Open
The SRS module has detected an open circuit in the driver frontal airbag deployment loop. Resistance is above the upper threshold, indicating broken wiring or a disconnected igniter.
Is it safe to drive with B0051?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyClock spring conductor broken
- PossibleAirbag connector not fully seated
- Less likelyWiring open between module and squib
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 Airbag Module, Clock Spring, Srs Wiring, Srs Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.