Some ECU upgrade events require OTA initialization to be performed first. While GDS Smart and others automatically carry out the initialization, if the vehicle's CCU status is unstable, the automatic initialization may fail, causing the upgrade to fail as well. In this case, the technician must manually perform the OTA initialization, confirm its successful completion, and then retry the ECU upgrade.
Some ECU upgrade events require OTA Initialization to be performed beforehand.
Currently, GDS Smart / GENESIS Smart / KDS 2.0 are designed so that when these events are executed, the app automatically performs OTA initialization first, and then proceeds to the ECU upgrade step.
Symptom
During an ECU upgrade, OTA Initialisation is failed with empty error code.
However, the following issues may occur
During the automatic OTA initialization process, the vehicle CCU's status may be unstable or responses may be delayed/missing, and in such cases:
- OTA Initialization fails automatically within the app
- The app cannot proceed to the ECU Upgrade step, causing the upgrade to fail
These situations may arise.
Solution (Technician Procedure)
If the automatic OTA initialization fails, the technician must manually perform the OTA Initialization.
📍 Manual OTA Initialization Path
Home > S/W Management > CCU > OTA Initialization
Execute OTA Initialization directly from this menu → confirm that it completes successfully.
Next Step
Once OTA initialization has been successfully completed manually:
➡ Return to the ECU Upgrade menu and retry the upgrade, which should then proceed normally.
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