B00CB code meaning
Passenger Seat Occupant Position Sensor E
What B00CB means
B00CB is the fifth and last passenger seat occupant position sensor. No carmaker publishes it. Position alone is not always enough; an early patent of Automotive Technologies International, first filed in 1992, also wants the speed at which the occupant approaches the bag. It uses ultrasound bursts near 50 kHz, taking distance from the echo time and speed from the Doppler shift, or modulated infrared and radar, mounted in the headliner, on the mirror or on the airbag cover. In a 30 mph barrier crash it allows only about 8 ms of sensing for someone 9 inches away but 57 ms at 24 inches. FMVSS 208 lets the maker define the suppression zone that such sensors watch. Whether E denotes a velocity or a further distance sensor is not documented. B00CB lights the airbag lamp.
B00CB 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 B00CB
- Airbag warning lamp on
- Passenger airbag deploys without position-based suppression or staging
- Safety note: airbag system; disconnect sensors only de-energised (ignition off, battery off, wait time), check configuration after replacement, specialist workshop only
Common causes of B00CB
- Most likelyOpen or shorted lead to sensor E in the headliner, mirror base or dashboard
- PossibleTransducer of sensor E faulty or covered
- Less likelyRestraint module coded for a sensor the vehicle does not carry
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Passenger occupant position sensor eSRS roof wiringOccupant position module
What each part of B00CB 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). |
| CB | The exact fault in that area. |
What to do next
- Note B00CB 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 B00CB
What does B00CB mean?
B00CB means "Passenger Seat Occupant Position Sensor E". B00CB is the fifth and last passenger seat occupant position sensor. It is a generic code, so it means the same on every make.
Is it safe to drive with B00CB?
B00CB does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will B00CB fail an emissions test?
B00CB 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 B00CB to fix?
Difficulty: workshop only. A typical repair takes 0.5 to 3 hours of work. This is a job for a workshop.
Will B00CB clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.