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Old 10-06-2012, 11:38 PM   #3
Alan's Classic
1 thing at a time is progress.
 
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Join Date: Jun 2007
Location: Ball Ground GA
Posts: 5,511
Re: 2004 Tahoe AC goes to heat in both front and rear

Quote:
Originally Posted by clinebarger View Post
The left front & rear blend door motor's could be bad. It resetting tells me there are codes in the HVAC module, A GM Tech II is the only scan tool I know of that can retrieve them.
Thanks, I'll see if I can find a buddy that has one. I'll update when I find out something.
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