Electronic Automatic Temperature Control (EATC) Module
WARNING: This page is about a different car, the 2005 Mercury Sable and 2005 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The EATC module is located in the instrument panel below the audio unit. The EATC module is on the medium speed CAN. The EATC module controls automatic climate functions that maintain the vehicle interior temperature at a constant setting. For additional information, refer to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .