DIC Issue

nospark

Original poster
Member
Feb 20, 2012
28
Hazelwood MO
I thought I read about this problem on GMT but can't find it now. Driver Info Center goes dark and gear select very dim. Happens randomly. I thought I read something about check grounding and said to myself, self, need to remember this in case it happens to you. If there is a current thread please link me to it. '07 Tahoe, 5.3, LS. Only change I have done recently was adding trans cooler and plug in Range Tech box into OBD that defeats DOD and AFM. Thank you.
 

Mounce

Member
Mar 29, 2014
13,667
Tuscaloosa, AL
Usually an issue with the on-board high voltage display driver built into the cluster. Check YouTube for gm cluster display repair and you'll see dozens of teardown and reflow videos for this same or similar issues. Many online vendor's do mail in repairs if you don't have the patience or ability to take a look at it yourself.
 

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