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DTC P0602: ECM/PCM Programming Error (2006-2007 model) Honda Accord VII

Testing & Diagnostics ~105 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 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 can be damaged.

  1. Do the ECM/PCM update procedure (see «ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-220839-S22230196232006022100000) ).
  2. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0602 indicated? YES - Replace the original ECM/PCM (see «ECM/PCM REPLACEMENT»(ref-220840-S07206258092006022100000) ). NO - Update is complete.

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