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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 674 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESCRUISE CONTROL INDICATOR INOPERATIVE (WITH THROTTLE ACTUATOR CONTROL)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Cruise Control Indicator Inoperative (With Throttle Actuator Control)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Cruise Control Indicator Inoperative (With Throttle Actuator Control)
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Cruise Control Indicator Inoperative (With Throttle Actuator Control)

Step Action Yes No
Schematic Reference: Cruise Control Schematics 
Connector End View Reference: Cruise Control Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
  1. Turn the ignition OFF.
  2. Install a scan tool.
  3. Turn the ignition ON, with the engine OFF.
  4. With the scan tool, command the Cruise Control Lamp Test parameter On, in the instrument panel cluster (IPC) Special Functions.
Does the Cruise indicator illuminate in the IPC?		 Go to Step 4  Go to Step 3 
3 Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 5  -
4 Replace the PCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 5  -
5 Operate the system in order to verify the repair.
Does the system operate properly?		 System OK Go to Step 2 
RENDER: 1.0x

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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.