Operation CHARM: Car repair manuals for everyone.

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.