Ac auto temp, driver side

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Dan L

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Ac came unglued.
Tonight. Driving along, 80 degrees. Got a little cool in the cabin. Backed off drivers side from 67 to 70. In about a minutes realizes heat was on driver side. Still cool for rear and passenger. Turnoff, back on, adjusted, readjusted, no help. Turned everything off. continued to get some warm air on driver side but no fan (off). Passenger side cool. Where do I start? I’m wonder about a control module. If so, where. Thanks for your help. I’m an amateur so Tell me if I’m over my head. Thanks.
 

Fless

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Try the manual recalibration (below, procedure starts about 2:40 or so) or find someone with a Tech 2 to run the calibration.

 

Doubeleive

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usually it is a bad actuator or a temp sensor in the roof above the drivers head, the drivers side actuator is the bottom one under the kick panel under the glove box.
 

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