I have tried at least 7 different ways to reset the actuator but all have failed.
Gm blend door actuator reset.
Parts counter people call this the upper actuator.
For manual systems it does not matter where the a c controls are set but if you feel the need to do something turn the blower switch on i prefer speed 3 and set the temperature.
The topic of how to perform the actuator recalibration procedure on chevrolet gmc and cadillac trucks and suvs has become an ever increasing topic of discussion.
The problem is cold setting produces heat.
On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.
I installed a new blend door actuator.