DTC Troubleshooting: P0602 (196)

DTC P0602:

ECM/PCM Programming Error

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
• This DTC is indicated when a 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 can be damaged.

1.	Do the ECM/PCM update procedure.

2.	Check for Temporary DTCs or DTCs with the HDS. Is DTC P0602 indicated? YES - Replace the original ECM/PCM.n NO - Update is complete.n