only get warm air passanger side, driver side ice cold on 2002 Dodge Ram 1500

when i have hearter on floor only the passangers side is warm driver side cold as ice

by in Elyria, OH on January 20, 2014
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1 answer 1 comment
ANSWER by , January 21, 2014
System scan test needed!
COMMENT by , January 22, 2014
what is a system scan gonna do.. I know its a damper door problem. need to know what one and how to fix it ?