Some ECU Upgrade events require OTA Initialization to be completed first. KDS 2.0 performs this initialization automatically; however, if the vehicle CCU is unstable, automatic initialization may fail, causing the upgrade to fail as well. In this case, the technician must perform OTA Initialization manually, confirm that it has completed successfully, and then retry the ECU Upgrade.
Some ECU Upgrade events require **OTA Initialization** to be completed before the upgrade.
When one of these events is run in KDS 2.0, the application is designed to perform OTA Initialization automatically before proceeding to the ECU Upgrade.
However, the following issue may occur
During automatic OTA Initialization, the vehicle CCU may be unstable, or its response may be delayed or not received. In this case:
- OTA Initialization automatically fails within the application
- The application cannot proceed to the ECU Upgrade step, and the upgrade fails
This may prevent the ECU Upgrade from being completed.
Resolution (Technician Procedure)
If automatic OTA Initialization fails, the technician must perform OTA Initialization manually.
📍 Manual OTA Initialization Menu Path
Home > S/W Management > CCU > OTA Initialization
Run OTA Initialization directly from this menu, and confirm that it completes successfully.
Next Step
After manual OTA Initialization has completed successfully:
➡ Return to the ECU Upgrade menu and run the upgrade again. The upgrade should then proceed normally.
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