Possible Causes
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
LEFT REAR DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
PASSENGER DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
RIGHT REAR DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
CENTRAL TIMER MODULE - INTERNAL MALFUNCTION