EATC Module (Climate Control Assembly)

WARNING: This page is about a different car, the 2005 Lincoln Navigator and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

The EATC module:

is located in the instrument panel.
has a vacuum fluorescent display for displaying set temperature, function and diagnostic trouble codes (DTCs).
utilizes an on-board diagnostic (OBD) feature to supply the technician with diagnostic trouble codes (DTCs). These DTCs direct the technician to the inoperative component.