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Home >> Jeep >> 1999 >> Grand Cherokee Laredo, 4.0 S, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Locks & Keyless Entry System >> Component Tests >> Remote Keyless Entry Transmitter

Remote Keyless Entry Transmitter

  1. Replace transmitter batteries. See REMOTE KEYLESS ENTRY TRANSMITTER BATTERY  under REMOVAL & INSTALLATION. Test each transmitter function. If all functions operate, test is complete. If any functions are inoperative, go to next step.
  2. Using Diagnostic Readout Box (DRB) scan tool, perform transmitter program procedure using suspect transmitter and known-good test transmitter. If test transmitter operates power locks and suspect unit does not, replace faulty transmitter and go to next step. If both transmitters fail to operate power locks, see REMOTE KEYLESS ENTRY RECEIVER .
  3. Using DRB scan tool, perform transmitter program procedure after test is complete. This will erase access code of test transmitter from keyless entry receiver.
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