Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the scan tool Cruise Control Switch parameter in the BCM while pressing the various cruise control switches. The reading should be Error.
- If the Cruise Control Switch parameter toggles between On, Off, Resume, Set and Cancel accordingly with the depressed switches, then go to Testing for Intermittent Conditions and Poor Connections .
Go to Circuit/System Testing .