B1515
Seat Driver Occupied Switch Circuit Failure
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)
Symptoms
- Airbag light is on
- Incorrect operation of the passive safety system
- Error B1515 in diagnostic scanner memory
Causes
- Open or short circuit in wiring harness
- Faulty seat occupancy sensor
- Poor contact in connectors
- Contact corrosion
- Mechanical damage to wiring
How to Fix
- Check the integrity of the wiring harness
- Inspect the sensor connectors for corrosion or damage.
- Check sensor resistance
- Replace sensor if necessary
- Clean connector contacts
- Reset the error and check the system