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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 365 (CRUISE CONTROL SYSTEM)
2006 Chevrolet Suburban K2500, 6.0 U
Section 365 (Cruise Control System)
2006 Chevrolet Suburban K2500, 6.0 USECTION Section 365 (Cruise Control System)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- 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 (Cruise Control)
- Scan Tool Data Definitions (Disengage History)
- Diagnostic Trouble Code (DTC) List
- DTC P0567 (4.8L, 5.3L, 6.0L, and 8.1L): Cruise Control Resume Switch Circuit
- DTC P0567 (6.6L): Cruise Control Resume Switch Circuit
- DTC P0568 (4.8L, 5.3L, 6.0L, and 8.1L): Cruise Control Set Switch Circuit
- DTC P0568 (6.6L): Cruise Control Set Switch Circuit
- DTC P0571 (4.8L, 5.3L, 6.0L, and 8.1L): Cruise Control Brake Switch Circuit
- DTC P0571 (6.6L): Cruise Control Brake Switch Circuit
- DTC P1574: Stoplamp Switch Circuit
- Symptoms - Cruise Control
- Cruise Control Indicator Always On (Without Throttle Actuator Control)
- Cruise Control Indicator Always On (With Throttle Actuator Control)
- Cruise Control Indicator Inoperative (Without Throttle Actuator Control)
- Cruise Control Indicator Inoperative (With Throttle Actuator Control)
- Cruise Control Inoperative/Malfunctioning (4.3L)
- Cruise Control Inoperative/Malfunctioning (4.8L, 5.3L, 6.0L, 8.1L)
- Cruise Control Inoperative/Malfunctioning (6.6L)
- 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.