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Question (Category: Chevy)
I have a 2002 Chevy Tahoe, the air from the Heater/AC is only coming out the Defroster vents. I replaced the Temp Control unit but that did not fix it, i checked some of the deverter doors and they appear to move freely but when i move them mannually as soon as i start the system it goes right back the defroster vents. Any ideas? My wifes feet get cold in the winter so my clock is tickingThanks
Info Request
Hello and welcome to Just Answer! I have run into this issue a couple of times. Take it to the dealer and have them resyncronize/recalibrate the door actuators. There also may be an update module calibration to go along with the resyncronize.go along with the
Info Request
Yea, you need the GM scan tool to perform the procedures.



Answer by Steve G. (Purchased 3 times and rated )

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