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DTC P0602: PCM Programming Error Honda Ridgeline I

Testing & Diagnostics ~106 words

Note. Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see DTC TROUBLESHOOTING INDEX ). This DTC is indicated when a PCM update is not completed. Do not turn the ignition switch OFF while updating the PCM. If you turn the ignition switch OFF before completion, the PCM can be damaged.

  1. Do the PCM update procedure (see «PCM UPDATING AND SUBSTITUTION FOR TESTING»(ref-219956-S29187290912006021600000) ).
  2. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0602 indicated? YES - Replace the original PCM (see «PCM REPLACEMENT»(ref-299652-S28764766372008092500000) ). NO - The update is complete.

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