Auto Temp not controlling itself, i get cold or hot.

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Retired-Dadeo

Junior Member
Joined
Feb 15, 2023
Posts
1
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0
Location
Okotoks , Alberta
Ram Year
2010
Engine
6.7
Two different dealers have diagnosed my 3500 DRW with zero faults yet if i come off “full cold” the air temp will climb until full hot is coming out. One dealer suggested i replace the temp control sensor in the center console (top center front of cab by rear view mirror). that did not do anything but remove a few hundred dollars out of my wallet. Same dealer thinks PDM (Power Distribution Module) is at fault now but thats even more money and no guarantees.

Anybody come accross this type of issue before and have any suggestions ?

thanks!
 
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