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Test 4: Security Indicator Flashes

  1. Using scan tool, check for PCM DTCs. If no PCM DTCs exist, go to next step. If PCM DTCs exist, see TESTS W/CODES article in ENGINE PERFORMANCE section.
  2. Check for BCM DTCs. If no BCM DTCs exist, go to next step. If any BCM DTCs exist, see BODY CONTROL MODULE article.
  3. Perform BCM THEFT DETERRENT RELEARN under PROGRAMMING. Recheck system. If problem exists, go to next step. If no problem exists, system is okay.
  4. Replace BCM. Perform NEW BCM SETUP  under PROGRAMMING. Recheck system.
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