B007DSecond Row Center Seat Belt Pretensioner B Deployment Control
- Generic OBD-II code · Body
- How the car detects it
- B007D names a second pretensioner at the middle seat of the second row. No carmaker documents it, and since even one pretensioner at the rear centre seat is uncommon, a second stage there is rarer still. Where such hardware is fitted, the B stage would act on the buckle or anchor side, comparable to the Autoliv pulley-and-cable buckle tensioner of patent US7360795B2 or the buckle units GM shows at the inner flank of front seats. Wiring to a rear centre position runs through the seat base or floor and can be disturbed when a split bench is folded or taken out. The firing loop is monitored like every other squib circuit. A stored B007D lights the airbag lamp, and the module treats that stage as unavailable.
- What you may notice
- Airbag warning lamp on
- Rear centre occupant without the second pretensioning stage
- Safety note: pyrotechnic belt hardware; de-energise the system (battery off, wait time) and have a specialist workshop do the work
- Likely causes
- LikelyPlug at the rear centre buckle or anchor tensioner loosened by folding the bench
- PossibleAirbag module coded for a rear centre B stage that is not present
- RareHarness under the rear bench chafed or pinched
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €80 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.