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 DIAGNOSISACCESSORIES & EQUIPMENTMEMORY MODULESCONFIGURABLE CUSTOMER CONTROL SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B1529COMPONENT TESTING
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Component Testing
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Component Testing
CAUTION:
Refer to SIR Caution
.
- Ignition OFF, disconnect the harness connector at the suspect steering wheel control switch.
- Test for infinite resistance between the ignition terminal 3 and the signal terminal 4 with the switch in the open position.
- If less than specified value, replace the switch.
- Test for less than 5,400 ohms between the signal terminal 4 and the ignition terminal 3 with the switch in the closed position.
- If greater than the specified value, replace the steering wheel control switch.
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.