DTC Troubleshooting: P0602 (196)
DTC P0602:
 ECM Programming Error
NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
  • This DTC is indicated when an ECM update is not completed.
  • Do not turn the ignition switch to LOCK (0) or ACC (I) while updating the ECM. If you turn the ignition switch to LOCK (0) or ACC (I) before completion, the ECM can be damaged.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0602 indicated?
YES -
NO -
The update is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■