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 CARGO EXTENDED, 4.8 CREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 C
Diagnostic Code Index
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B3794 | B3794 08: Cruise Control Function Request Circuit Signal Invalid B3794 61: Cruise Control Function Request Circuit Actuator Stuck |
| DTC B0835 | B0835 00: Cruise Control System Active Indicator Circuit |
| DTC P0572 | P0572 00: Brake Switch Circuit 1 Low Voltage |
| DTC P0572 or P0573 | P0572 00: Brake Switch Circuit 1 Low Voltage P0573 00: Brake Switch Circuit 1 High Voltage |
| DTC P0573 | P0573 00: Brake Switch Circuit 1 High Voltage |
| DTC P0575 | P0575 00: Cruise Control Switch Signal Circuit |
| DTC P0703 | P0703 00: Brake Switch Circuit 2 |
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.