Auxiliary Heating, Ventilation, and Air Conditioning Control Module Programming and Setup: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Each of the following service procedures may require programming or setup procedures to be performed on the auxiliary HVAC control module or HVAC actuators.