Error code occurred during ECU upgrade (9000-1A-0063)

Symptom: ECU upgrade in progress, error code [9000-1A-0063] occurs


Cause: Failure occurred for the command to determine the target before ECU upgrade conducted by the ECU app



1. It is necessary to check whether the home-made equipment is installed on the car.
2. It is necessary to connect the diagnostic device and check the normal display of the sensor output of the target controller.
3. If the connection status and sensor output are normal, after removing the vehicle power connector and proceeding with the installation work 5 minutes later, determine the target before ECU upgrade and try it.


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