Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Occupant Detection System DTCS
OCCUPANT DETECTION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Item | Description |
|---|---|---|
| B1650 | Occupant Detection System Malfunction | < Ref. to DTC B1650 OCCUPANT DETECTION SYSTEM MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1655 | Front Buckle Switch RH Failure | < Ref. to DTC B1655 FRONT BUCKLE SWITCH RH FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1760 | Occupant Detection Sensor Mat | < Ref. to DTC B1760 OCCUPANT DETECTION SENSOR MAT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1761 | Occupant Detection Sensor Mat Liquid Coating | < Ref. to DTC B1761 OCCUPANT DETECTION SENSOR MAT LIQUID COATING , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1771 | Buckle Switch | < Ref. to DTC B1771 BUCKLE SWITCH , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1795 | Occupant Detection Module Internal Circuit | < Ref. to DTC B1795 OCCUPANT DETECTION MODULE INTERNAL CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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