Items to Check When an ECU Upgrade Fails

Symptom: The ECU upgrade was performed in Auto Mode but failed.

Cause: The ECU upgrade may fail if the vehicle is in an unstable condition.

Resolution: 

If a dash cam or aftermarket device is connected, it may interfere with the vehicle. Disconnect or remove the device, and then retry the ECU upgrade.

The information above is a general troubleshooting procedure. If the issue is not resolved, check the error code and contact the Customer Support Center.