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.
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HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSOCCUPANT CLASSIFICATION SYSTEM - DIAGNOSTIC CODES, SYMPTOM TESTS & CIRCUIT TESTSOCCUPANT CLASSIFICATION SYSTEMDTC B00C0-28: PASSENGER SEAT OCCUPANT CLASSIFICATION SENSOR "A" SIGNAL BIAS LEVEL OUT OF RANGE / ZERO ADJUSTMENT FAILURE [12/2024 - ]DESCRIPTION
2025 Toyota 4Runner SR5, 4WD
DTC B00C0-28: Passenger Seat Occupant Classification Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure [12/2024 - ]: Description
2025 Toyota 4Runner SR5, 4WDSECTION Description
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| B00C0-28 | Passenger Seat Occupant Classification Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure | Either of following conditions is met:
|
Front seat adjuster assembly RH (front occupant classification sensor LH) | SRS Airbag | A |
RENDER: 1.0x
NO RELATED
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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.