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.
DECKLID RELEASE SWITCH SHORTED
DECKLID RELEASE SWITCH SENSE CIRCUIT SHORT TO GROUND
WIRING HARNESS INTERMITTENT DEFECT
BODY CONTROL MODULE