GM Service Manual Online
For 1990-2009 cars only

HVAC Control Module Programming and Setup for Generic Unit Repair 2005

Programming and Setup Procedures

Each of the following service procedures requires programming or setup procedures to be performed on the HVAC control module.

HVAC Control Module Replacement-Manual HVAC

If the HVAC control module is replaced no additional procedures are necessary.

Actuator Replacement-Manual HVAC

If an actuator is replaced, a Re-Calibration of the actuator is not necessary. The HVAC module knows the exact location of the door when the HVAC system is turned on.