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.
CHECK FOR RELATED DTC'S
5-VOLT SUPPLY CIRCUIT OPEN
POOR LINE PRESSURE SENSOR CONNECTION
PRESSURE CONTROL SOLENOID CONTROL CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORT TO GROUND
PRESSURE CONTROL SOLENOID CONTROL CIRCUIT SHORT TO GROUND
INTERNAL TRANSMISSION - LINE PRESSURE HIGH
LINE PRESSURE SENSOR
TRANSMISSION CONTROL MODULE
INTERMITTENT WIRING AND CONNECTORS