DTC P0602: ECM/PCM Programming Error (2005-2006 models)

NOTE:

This DTC is indicated when the ECM/PCM 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 will be damaged.
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

Do the ECM/PCM update procedure (see ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING ).
Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0602 indicated?
1. YES- Replace the original ECM/PCM (see MAP SENSOR REPLACEMENT ).
2. NO- Troubleshooting is complete.