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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 640 (CRUISE CONTROL SYSTEM)
2006 Chevrolet Suburban C2500, 6.0 U
Section 640 (Cruise Control System)
2006 Chevrolet Suburban C2500, 6.0 USECTION Section 640 (Cruise Control System)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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 Definitions (Cruise Control)
- Scan Tool Data Definitions (Disengage History)
- DTC P0567 (4.8L, 5.3L, 6.0L and 8.1L): Resume/Accel Switch Is Applied For Longer Than 90 Seconds
- DTC P0567 (6.6L): Resume/Accel Switch Is Applied For Longer Than 90 Seconds
- DTC P0568 (4.8L, 5.3L, 6.0L, and 8.1L): Set/Coast Switch Is On For Longer Than 90 Seconds
- DTC P0568 (6.6L): Set/Coast Switch Is On For Longer Than 90 Seconds
- DTC P0571 (4.8L, 5.3L, 6.0L, and 8.1L): Low Voltage Signal On The TCC Brake Switch/Cruise Control Release Signal Circuit
- DTC P0571 (6.6L): Low Voltage Signal On The TCC Brake Switch/Cruise Control Release Signal Circuit
- DTC P1574: Rapid Vehicle Speed Decreases
- Symptoms-Cruise Control
- Cruise Control Indicator Always On
- Cruise Control Indicator Inoperative
- 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
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.