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DTC P0602: ECM/PCM Programming Error Honda Accord VIII

Testing & Diagnostics ~114 words

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ). This DTC is indicated when an ECM/PCM update is not completed. Do not turn the ignition switch to ACC (I) or LOCK (0) while updating the ECM/PCM. If you do, the ECM/PCM can be damaged.

  1. Do the ECM/PCM update procedure (see «ECM/PCM UPDATE»(ref-424872-S33907592622011100100000) ).
  2. Check for Pending or Confirmed DTCs with the HDS. Is DTC P0602 indicated? YES -Replace the original ECM/PCM (see «ECM/PCM REPLACEMENT»(ref-424872-S02763351832011100100000) ). NO -Update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated «DTC'S TROUBLESHOOTING»(ref-424872-S05508943922011100100000) .

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