B0098
Occupant Detection Sensor
The SRS module has detected a fault in the occupant detection sensor on the passenger seat. The sensor input is missing or out of range so passenger airbag enable/disable logic cannot be evaluated.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Occupant detection sensor failedCommon
- Seat harness connector under passenger seat damagedPossible
Parts involved
- Occupant Detection Sensor
- Srs Control Module
- Passenger Seat Harness
B0098 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.