B00BA code meaning
Driver Seat Occupant Position Sensor D
What B00BA means
B00BA covers position input D, the fourth of the driver seat sensors. Its use by a carmaker is not documented publicly. Early out-of-position concepts mixed several sensor kinds: a 1989 Automotive Systems Laboratory patent uses a pyroelectric detector for presence, ultrasound for the distance to wheel and dashboard and a pressure transducer under the occupant for weight, recommends redundant sensors of each kind against false readings, warns the occupant with a lamp and fires a multi-cartridge driver inflator step by step to match size and position. A fourth slot thus suits a redundant sensor or one working on another principle, but no maker confirms what D stands for. B00BA indicates a fault in that input; the warning lamp for the airbags lights and position-based staging is limited.
B00BA 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 B00BA
- Airbag warning lamp on
- Staged driver airbag deployment based on position restricted
- Safety note: airbag system; disconnect sensor and seat plugs only de-energised (ignition off, battery off, wait time); calibrate position sensors after replacement, specialist workshop only
Common causes of B00BA
- Most likelyOpen or shorted lead to position sensor D
- PossibleSignal disagreeing with the other position inputs, e.g. sensor dirty or misaligned
- Less likelyInternal fault of position sensor D
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Driver occupant position sensor dSRS wiringSRS control module
What each part of B00BA 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). |
| BA | The exact fault in that area. |
What to do next
- Note B00BA 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 B00BA
What does B00BA mean?
B00BA means "Driver Seat Occupant Position Sensor D". B00BA covers position input D, the fourth of the driver seat sensors. It is a generic code, so it means the same on every make.
Is it safe to drive with B00BA?
B00BA does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will B00BA fail an emissions test?
B00BA 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 B00BA to fix?
Difficulty: workshop only. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will B00BA clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.