B1673
Seat Driver Occupied Input Circuit Open
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Airbag light is on
- The SRS system may not operate in the event of an accident.
- Error B1673 in fault memory
Causes
- Broken or damaged sensor wiring harness
- Seat occupancy sensor malfunction
- Poor contact in connectors
- Problems with the SRS module
How to Fix
- Check the integrity of the sensor wiring harness
- Inspect connectors for oxidation or damage
- Check the resistance of the seat occupancy sensor
- Replace sensor if necessary
- Clear error codes and check if B1673 returns