2003 Dodge Dakota blows cold air on the drivers side and the heat works on the passenger, what could cause this
The heat blows on both sides of my 2003 Dodge Dakota but it is cold on the drivers side and hot on the passenger
You either have a bad controller unit, the dash controller, or a vacuum leak. Check the controller by seeing if it will change from heat to cold while listening for theflapper door to move at the heat/ac unit on the passenger side of the cab. If no sound of movement you may want to invest in a repair manual to diagnose the unit or vacuum system.
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