Module, HVAC: Description
WARNING: This page is about a different car, the 2017 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The Heating, Ventilation, and Air Conditioning (HVAC) Module is a microcontroller designed to operate the heating and A/C system, using the Controller Area Network (CAN) data bus. The HVAC module has a plastic housing with one integral electrical connector receptacle (3) and two mounting tabs (1 and 2).
The HVAC module is located behind the right side of the glove box, fastened to the instrument panel.