2004 GMC Sierra Logo
Posted on Jul 05, 2009
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2005 yukon denali, a/c worked fine until battery died

2005 yukon denali, a/c worked fine battery died and was replaced yesterday now drivers side a/c starts cold and quickly changes to HOT air. Turned vehicle off and restarted, same issue. A couple of months ago the battery died and was jumped since then lost heat in the rear section of the vehicle.. Looking for suggestions..

  • pchef2008 Jul 06, 2009

    we removed the hvac fuses and replaced and now the a/c is working fine again.

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  • Posted on Jul 28, 2009
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Turn ignition switch ON then OFF then depress and release gas pedal 5 times to reset the computer. Worked for me.

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  • Posted on Jul 05, 2009
Stan Cather
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Get the climate control computer relaced or reprogrammed. There is a good chance that when your vehicle was jump started it fried the climate system.

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