HVAC Control Module Replacement - Manual HVAC
WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
If the HVAC control module is replaced, the following procedure must be performed:
Re-Calibrating Actuators-Refer to Re-Calibrating Actuators in HVAC Systems - Manual.