ECM/PCM
DTC Troubleshooting: P0602, P0602
DTC P0602:
ECM/PCM Programming Error
NOTE:
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
- This DTC is stored when an ECM/PCM update is not completed.
- Do not turn the ignition switch to ACCESSORY (I) or to LOCK (0) while updating the ECM/PCM. If you do, the ECM/PCM can be damaged.
1. Do the ECM/PCM update procedure ECM/PCM Update.
2. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0602 indicated?
YES -
Replace the original ECM/PCM Service and Repair.
NO -
The update is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.