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 MANUALSCHEVROLET2020TAHOE LS, RWD, GAS/ETHANOLREPAIR AND DIAGNOSISRESTRAINTSSEAT BELTSDIAGNOSTIC INFORMATION AND PROCEDURESSEAT BELT RETRACTOR MOTOR MODULE MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2020 Chevrolet Tahoe LS, RWD, Gas/Ethanol
Circuit/System Verification
2020 Chevrolet Tahoe LS, RWD, Gas/EthanolSECTION Circuit/System Verification
- Verify the appropriate M101 Seat Belt Retractor Motor Module applies tension to the seat belt with the appropriate seat belt is buckled, and when commanding the M101 Seat Belt Retractor Motor Module - Seat Belt Retractor Motor with a scan tool.
- If the appropriate seat belt does not apply tension as commanded
.
Refer to Circuit/System Testing.
- Go to next step: If the appropriate seat belt does apply tension as commanded
- If the appropriate seat belt does not apply tension as commanded
.
- All OK.
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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.