Possible Causes
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL HEAD - SHORT TO GROUND
A/C SWITCH SENSE CIRCUIT SHORT TO GROUND
A/C SW SENSE CIRCUIT SHORT TO SENSOR GROUND
BODY CONTROL MODULE - A/C SWITCH SENSE SHORT TO GROUND
CONTROL HEAD - A/C SWITCH SENSE INCORRECT
BODY CONTROL MODULE - A/C SWITCH SENSE INCORRECT
INTERMITTENT WIRING PROBLEM