Question about GMC Denali
This is caused by a problem in the Body Control Module, have it tested for trouble codes.
Posted on Sep 09, 2008
I had the same problem with mine and it was the body control module kinda. If you take the cover off of you center console, the bcm is back towards your cd changer. It is all the way at the bottom and has a 15+ wire wiring harness pluged into it. The problem with mine was simply the plug was coming lose. Hope this helps and is a simple fix for you too.
Posted on Feb 19, 2013
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