B007D code meaning
Second Row Center Seat Belt Pretensioner B Deployment Control
What B007D means
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.
B007D at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyWorkshop only
- Typical labor0.5 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of B007D
- 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
Common causes of B007D
- Most 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
- Less likelyHarness under the rear bench chafed or pinched
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Second row center pretensioner bSquib circuitSRS control module
What each part of B007D means
| B | Body system: airbags, seat belts, power seats, lights and climate control. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 7D | The exact fault in that area. |
What to do next
- Note B007D and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about B007D
What does B007D mean?
B007D means "Second Row Center Seat Belt Pretensioner B Deployment Control". B007D names a second pretensioner at the middle seat of the second row. It is a generic code, so it means the same on every make.
Is it safe to drive with B007D?
B007D does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will B007D fail an emissions test?
B007D is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is B007D to fix?
Difficulty: workshop only. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will B007D clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.