Some ECU upgrade events require OTA Initialization to be performed first. KDS 2.0 automatically performs the initialization; however, if the vehicle CCU status is unstable, the automatic initialization and ECU upgrade may fail. In this case, the technician must manually perform OTA Initialization, confirm that it has completed successfully, and then retry the ECU upgrade.
Some ECU Upgrade events require **OTA Initialization** to be performed first.
KDS 2.0 is designed to automatically perform OTA Initialization when the applicable event is started, and then proceed to the ECU upgrade.
However, the following issue may occur
During automatic OTA Initialization, the vehicle CCU status 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, causing the upgrade to fail.
This may prevent the ECU upgrade from being completed.
Resolution (Technician Procedure)
If automatic OTA Initialization fails, the technician must perform OTA Initialization manually.
📍 Menu Path for Manual OTA Initialization
Home > S/W Management > CCU > OTA Initialization
Run OTA Initialization directly from this menu, and then verify that it has completed successfully.
Next Step
After manual OTA Initialization has completed successfully:
➡ Return to the ECU Upgrade menu and perform the upgrade again. The upgrade should proceed normally.
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