B0320
Passenger Seat Position Sensor Circuit
Passenger Seat Position Sensor Circuit: an electrical fault is present in the circuit. The sensor reports seat position for the memory function and SRS occupant logic.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
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.
- Seat position sensor failedCommon
- Seat harness connector damagedPossible
Parts involved
- Seat Position Sensor
- Seat Control Module
- Seat Harness
B0320 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.