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Old 03-14-2011, 05:06 PM
Manogod Manogod is offline
Dodge Ram Forum Newcomer
Join Date: Mar 2011
Age: 55
Posts: 4
Gender: Male
Vehicle: 2001 Ram 1500
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Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
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Default How do you tell?

How do you tell if the HVAC controller is bad vs something else? Problem....I turn the Hot/Cool air knob to heat and it wont go back to cool air when turned back to cool air selection UNLESS I turn the fan to low or turn the selector switch to off so the fan will stop blowing all together. SOMETIMES when it is blowing cool air it just switches to hot air by itself. It seems to do this when I'm slowing down.

So How do I tell if its the controller or something else, being there is a complete dash full of heat/air vents, doors, motors, etc.? Controller at dealer is $220. I don't want to wast money.

Thanks in advance
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