HVAC Control Module: Notes
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The HVAC control module is a GM LAN device that interfaces between the operator and the HVAC system to maintain air temperature and distribution settings. The battery positive and ignition 1 voltage circuits provide power to the control module. The control module supports the following features:
| Feature | Availability |
|---|---|
| Afterblow | Yes |
| Purge | No |
| Personalization | No |
| Actuator Calibration | Yes |