Rear Heating Ventilation Air Conditioning(RHVAC) Control Assembly
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
The rear auxiliary control, also known as the Rear Heating Ventilation Air Conditioning(RHVAC) module, is mounted in the rear finish panel of the front floor console. The Rear Heating Ventilation Air Conditioning(RHVAC) module is a switch that communicates the rear passenger selections over the MS-CAN to the HVAC control module.