Possible Causes
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
JUNCTION BLOCK FUSE 39
CODE ACTIVE
RELAY OPEN OR SHORTED
JUNCTION BLOCK - REAR WINDOW DEFOGGER RELAY CONTROL SHORT TO GROUND
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
JUNCTION BLOCK - REAR WINDOW DEFOGGER RELAY CONTROL OPEN
BODY CONTROL MODULE