Why does heat come out when I turn on the AC on 2008 Ford Ranger

The heat temperature cannot be lowered as well

by in Marietta, GA on March 07, 2014
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2 answers
ANSWER by , March 07, 2014
I'm going to say the controller,but you should get other opinions..
ANSWER by , March 07, 2014
Probably the temp/blend door actuator, usually is the problem. It can be scanned with scan data to verify.