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 MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1339 (CRUISE CONTROL SYSTEM)
2002 Chevrolet Avalanche 2500, RWD
Section 1339 (Cruise Control System)
2002 Chevrolet Avalanche 2500, RWDSECTION Section 1339 (Cruise Control System)
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Cruise Control
- Diagnostic System Check - Cruise Control
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC P0567: Resume/Accel Switch Is Applied For Longer Than 90 Seconds
- DTC P0568: Set/Coast Switch Is Applied For Longer Than 90 Seconds
- DTC P0571: Voltage Signal On Stop Lamp Switch Signal Circuit Or Cruise/Brake Switch Signal Circuit Incorrect
- DTC P1574: Vehicle Speed Decreases Rapidly
- Symptoms - Cruise Control
- Cruise Control Inoperative/Malfunctioning (L61)
- Cruise Control Inoperative/Malfunctioning (L81)
- Repair Instructions
- Description and Operation
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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.