OBD-II code · Body
B0042 Side Deployment Loop Open (Generic)
A generic open-circuit fault has been reported in a side airbag deployment loop. Refer to vehicle service data to determine the affected side and stage.
Is it safe to drive with B0042?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyDisconnected seat connector
- PossibleBroken wire in seat harness
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
- 0.7–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Side Airbag, Srs Seat Wiring
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.