Error code occurred during ECU upgrade (9000-36-7000)

Symptom: ECU upgrade in progress, error code [9000-36-7000] occurs


Cause: For the ECU upgrade data transmission command progressed through the ECU app, it occurs because the ECU does not respond or the specified time is exceeded.



1. It is necessary to check whether the car is equipped with after-market equipment.
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, proceed with the installation work 5 minutes later, and then retry the ECU upgrade.


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