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 a PCM update is not completed. Do not turn the ignition switch to LOCK (0) or ACC (I) while updating the PCM. If you do, the PCM can be damaged.
- Do the PCM update procedure (see «PCM UPDATE»(ref-336453-S09500398002009072700000) ).
- Check for Pending DTCs or Confirmed DTCs with the HDS. Is DTC P0602 indicated? YES -Replace the original PCM (see «PCM REPLACEMENT»(ref-336453-S28620960052009072700000) ). • NO -The troubleshooting is complete.