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DTC B2734: Coded Key Controller Memory Failure: Testing

  1. If theft deterrent diagnostic system check has been performed, go to next step. If theft deterrent diagnostic system check has not been performed, perform THEFT DETERRENT DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. If scan tool indicates B2734 is current, go to next step. If scan tool does not indicate B2734 is current, see DIAGNOSTIC AIDS  .
  3. Replace theft deterrent control module. Program theft deterrent control module. See SET UP NEW THEFT DETERRENT CONTROL MODULE  under PROGRAMMING. After repair, go to next step.
  4. Using scan tool, clear DTCs. Operate vehicle within code enable criteria. If DTC resets, repeat test beginning at step  2 .