OBD-II code · Body
B0056 Right Curtain Deployment Loop Open
The right curtain airbag deployment circuit shows an open condition; the curtain on the passenger side cannot deploy.
Is it safe to drive with B0056?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyBroken roof wiring
- PossibleUnseated curtain connector
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
- 1.5–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Right Curtain Airbag, Srs Roof Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.