Why does my Cruise Control only work some of the time?
What is your question?
The problem occurs every time I try to set the cruise. then after a while during the trip it will work and then go on and off during a trip. my 2008 Denali has 72,000 miles on it. I appreciate any help you can give. Thanks
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Have a 'mechanic' scan test ALL modules to start with. Not a code reading parts pusher at an auto parts store! ANY lights come on in dash intermittently while driving?