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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 90 (POWER SEAT SYSTEM)TROUBLE SHOOTINGHEATED SEATS SYSTEM CHECK
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Heated Seats System Check
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Heated Seats System Check
WARNING: This page is about a different car, the 1998 Oldsmobile Aurora and 1998 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch to ON position. Depress driver's heated seat switch in door panel. Driver's heated seat switch HI LED should come on. Seat will reach high temperature in about one minute. If seat does not respond as specified, go to SEAT WILL NOT HEAT under SYMPTOM TESTING.
- Depress driver's heated seat switch in door panel a second time. Driver's heated seat switch LO LED should come on. Seat will reach low temperature in about one minute. If seat does not respond as specified, go to SEAT WILL NOT HEAT under SYMPTOM TESTING.
- Depress driver's heated seat switch in door panel a third time. Driver's heated seat switch LED should turn off. Seat will turn off, cool down and remain cool. If seat does not respond as specified, go to SEAT HEAT DOES NOT TURN OFF under SYMPTOM TESTING.
- Depress passenger's heated seat switch in door panel. Passenger's heated seat switch HI LED should come on. Seat will reach high temperature in about one minute. If seat does not respond as specified, go to SEAT WILL NOT HEAT under SYMPTOM TESTING.
- Depress passenger's heated seat switch in door panel a second time. Passenger's heated seat switch LO LED should come on. Seat will reach low temperature in about one minute. If seat does not respond as specified, go to SEAT WILL NOT HEAT under SYMPTOM TESTING.
- Depress passenger's heated seat switch in door panel a third time. Passenger's heated seat switch LED should turn off. Seat will turn off, cool down and remain cool. If seat does not respond as specified, go to SEAT HEAT DOES NOT TURN OFF under SYMPTOM TESTING.
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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.