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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 137 (ANTI-LOCK BRAKE SYSTEM AND TRACTION CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESTRACTION CONTROL INDICATOR MALFUNCTIONCOMPONENT TESTING
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Component Testing
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Component Testing
WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the traction control switch.
- Test for infinite resistance between the signal terminal C and the ground terminal A with the switch in the open position.
- If not the specified value, replace the traction control switch.
- Test for less than 3 ohms between the signal terminal C and the ground terminal A with the switch in the closed position.
- If greater than the specified range, replace the traction control switch.
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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.