DTC Troubleshooting

DTC Troubleshooting: P0602

DTC P0602:

ECM Programming Error

NOTE:

- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.
- This DTC is indicated when an ECM update is not completed.
- Do not turn the ignition switch to ACC (I) or LOCK (0) while updating the ECM. If you do, the ECM can be damaged.

1. Do the ECM update procedure ECM/PCM Update.

2. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0602 indicated?

YES -

Replace the original ECM Service and Repair.�

NO -

Update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.�