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 MANUALSCHEVROLET2025SILVERADO 1500 PPVREPAIR AND DIAGNOSISRESTRAINTSRESTRAINTS CONTROL SYSTEMSSEAT BELTSDIAGNOSTIC INFORMATION AND PROCEDURESSEAT BELT INDICATOR MALFUNCTION - DRIVERCIRCUIT/SYSTEM DESCRIPTION
2025 Chevrolet Silverado 1500 PPV
Circuit/System Description
2025 Chevrolet Silverado 1500 PPVSECTION Circuit/System Description
For an overview of the component/system, refer to: Seat Belt System Description and Operation
| Circuit | Description |
|---|---|
| Signal | The control module input circuit has an internal resistance connected to 12 V. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| B153D Front Seat Belt Buckle - Driver | When the seat belt is unbuckled the switch is closed, and when the seat belt is buckled the switch is open. |
| K36 Restraints Control Module | The control module monitors several sensors that can detect a collision. When a collision is detected, the control module will trigger certain air bags and seat belt pretensioners, depending on the angle and severity of the impact. |
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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.