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.
DOOR LOCKS SYSTEM CHECK
TEST TRANSMITTER WITH TESTER
RKE TRANSMITTER NOT PROGRAMMED
RKE TRANSMITTER BATTERY VOLTAGE LOW
RKE TRANSMITTER NOT PROGRAMMED
RKE TRANSMITTER DEFECTIVE
CENTRAL TIMER MODULE - RKE INOPERATIVE
CTM - RKE INOPERATIVE