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.
CHECK CODE(S) PRESENT
AUTOMATIC TEMPERATURE CONTROL
BLOWER MOTOR CONTROL CIRCUIT SHORTED TO GROUND
BODY CONTROL MODULE
BLOWER POWER MODULE