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DTC B2960: Invalid Coded Key Present: 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, see THEFT DETERRENT DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. If DTC B2960 is set as a current DTC, go to next step. If DTC B2960 is not set as a current DTC, check for poor system harness connections or damaged harness. If problem exists, repair as necessary. After repair, go to step  7 .
  3. If more than one key is available, go to next step. If only one key is available, go to step  6 .
  4. Attempt to start vehicle using all available keys. Using scan tool, check for vehicle theft deterrent DTCs. If any available keys start vehicle, go to next step. If available keys do not start vehicle, go to step  6 .
  5. Using a learned master key, perform adding keys procedure on suspect key. See ADDING KEYS  under PROGRAMMING. After repair, go to step  7 .
    6. NOTE: If theft deterrent system programming procedure is performed, all keys not learned will be erased and will not be recognized. Perform adding keys procedure on all keys. See ADDING KEYS  under PROGRAMMING
  6. Perform theft deterrent control module programming. See THEFT DETERRENT SYSTEM PROGRAMMING  . After repair, go to next step.
  7. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay. If DTC resets, go to step  2 .
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