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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESDTC P1574CONDITIONS FOR RUNNING THE DTC
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30
Conditions for Running the DTC
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Conditions for Running the DTC
- DTCs P0502, P0503, P0719, and P0724 are not set.
- The engine speed is greater than 700 RPM.
- The traction control system (TCS) or the antilock brake system (ABS) are not active and have not failed.
- The vehicle speed is greater than 48 km/h (30 mph) in order to enable the diagnostic.
- The diagnostic will disable when the wheel speed is less than 16 km/h (10 mph).
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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.