Remote Keyless Entry Problem

Obtain known-good Remote Keyless Entry (RKE) transmitter. Program RKE transmitter. See REMOTE KEYLESS ENTRY TRANSMITTER  under PROGRAMMING. Press lock or unlock button on RKE transmitter. If RKE system responds correctly, replace and program new transmitter. If RKE system is inoperative or does not operate correctly, see POWER DOOR LOCKS/REMOTE KEYLESS ENTRY SYSTEM under SYSTEM TESTS in BODY CONTROL MODULES - CONCORDE, INTREPID, LHS & 300M article.