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 ACC (I) or to LOCK (0) while updating the PCM. If you do, the PCM can be damaged.
- Do the PCM update procedure (see «PCM UPDATE»(ref-351658-S06327977152009122700000) ).
- Check for Temporary DTCs or DTCs with the HDS. Is DTC P0602 indicated? YES -Replace the original PCM (see «PCM REPLACEMENT»(ref-351658-S27805868952009122700000) ). NO -Update is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.