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DTC P0602: ECM/PCM Programming Error

NOTE:
  • This DTC is indicated when a ECM/PCM update is not completed.
  • Do not turn the ignition switch OFF while updating the ECM/PCM. If you turn the ignition switch OFF before completion, the ECM/PCM will be damaged.
  1. Do the ECM/PCM update procedure (see ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING ).
  2. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P0602 indicated? 

    1. YES -  Replace the original ECM/PCM (see ECM/PCM REPLACEMENT  ).
    2. NO -  Troubleshooting is complete.
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