2000 Cadillac CateraFACTORY OEM SERVICE PROCEDURE

Transmitter Test

    NOTE: Inspect keyless entry transmitter to ensure it is correct model for this vehicle. A wrong model transmitter may pass this test, but will not activate vehicle remote system.
  1. Turn on Keyless Entry Tester (J43241). Place transmitter on J43241 tester pad. Press each button of transmitter one at a time. If a tone does not sound or the Green light does not illuminate after each button is pressed, go to next step. If a tone sounds and the Green light illuminates after each button is pressed, transmitter is okay.
  2. If none of the buttons sound tone or illuminate the Green light, go to next step. If any button sounds tone and illuminates Green light, go to step  5 .
  3. Replace transmitter battery and resynchronize transmitter. See TRANSMITTER SYNCHRONIZATION  under programming. Go to next step.
  4. Turn on Keyless Entry Tester (J43241). Place transmitter on J43241 tester pad. Press each button of transmitter one at a time. If a tone does not sound or the Green light does not illuminate after each button is pressed, go to next step. If a tone sounds and the Green light illuminates after each button is pressed, go to step  6 .
  5. Replace transmitter and program new transmitter. See under PROGRAMMING. Go to step  7 .
  6. Operate transmitter within range of vehicle. If all RKE functions do not operate normally, go to next step. If all RKE functions operate normally, transmitter is okay.
  7. Perform synchronization procedure. See TRANSMITTER SYNCHRONIZATION  . Operate system to verify repair.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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