B1672
Seat Driver Occupied Input Circuit Failure
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)
Symptoms
- Airbag light is on
- The passive safety system may not work in an accident
- Error B1672 in fault memory
Causes
- Open or short circuit in wiring harness
- Seat occupancy sensor malfunction
- Connector problems or contact corrosion
- SRS control unit malfunction
How to Fix
- Check wiring harness for damage
- Inspect the sensor and control unit connectors
- Check the resistance of the seat occupancy sensor
- Replace sensor or wiring harness if necessary
- Reset the error and check the system