B0015 code meaning
Passenger Knee Airbag Deployment Control
What B0015 means
B0015 does not appear in the public J2012 code lists, which assign the passenger knee airbag to B0013. Only General Motors documents the number, as the firing loop of the belt pretensioner built into the driver's retractor. In the Saab 9-4X 2011 manual this pretensioner shares one diagnostic page with B001A, the anchor pretensioner, and both trip when their loop stays outside the allowed resistance band or touches supply or ground for two seconds. On the 2009-11 Impala GM notes that B0015 points to the retractor pretensioner while a second pretensioner sits at the belt anchor (PIC5396A). On an Equinox, a wire under the power seat rubbing on the seat motor set B0014 and B0015 and blew the seat fuse (PIT4898C). A passenger knee airbag under this number is not publicly documented. The airbag lamp is on.
B0015 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 B0015
- Airbag warning lamp on, sometimes intermittent
- On GM, belt pretensioner may not fire; power seat may fail if the harness is shorted
- Safety note: do not probe the airbag circuit yourself; unplug airbag connectors only with the battery disconnected and the stated wait time observed
Common causes of B0015
- Most likelyOn GM vehicles loose or corroded connector at the driver belt pretensioner
- PossibleHarness under the power seat rubbing on frame or seat motor (GM PIT4898C)
- Less likelyInternal fault in the pretensioner or airbag served by this loop
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Knee airbag moduleDriver seatbelt pretensionerSRS seat wiringSRS control module
What each part of B0015 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). |
| 15 | The exact fault in that area. |
What to do next
- Note B0015 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 B0015
What does B0015 mean?
B0015 means "Passenger Knee Airbag Deployment Control". B0015 does not appear in the public J2012 code lists, which assign the passenger knee airbag to B0013. It is a generic code, so it means the same on every make.
Is it safe to drive with B0015?
B0015 does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will B0015 fail an emissions test?
B0015 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 B0015 to fix?
Difficulty: workshop only. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will B0015 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.