B1130critical severityBody
Occupant Classification System Malfunction
on 2003 Infiniti FX45 4.5L V8 · AWD
What this code means
The occupant classification system used to detect passenger seat occupancy is malfunctioning. Passenger airbag deployment logic may be affected.
Symptoms
- Airbag warning light on
- Passenger airbag status light incorrect
- SRS fault stored
Common causes
- Faulty occupant classification sensor
- Damaged seat sensor wiring
- Sensor needs recalibration
- Faulty airbag control unit
Diagnostic steps
- Scan SRS module for codes
- Inspect seat sensor connector and wiring
- Perform OCS calibration/zero-point reset
- Replace sensor if fault persists
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Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground
B0013
Driver Side Airbag Deployment Circuit Short to Battery