Symptom: ECU upgrade in progress, error code [5021-10-7F22] occurs
Cause: It occurs when the controller responds negatively to the ECU upgrade communication open command.
Resolution:
1. It is necessary to check which function of the automatic mode/manual mode was used to upgrade the ECU.
2. If it was performed in manual mode, it is necessary to check whether the ECU upgrade was attempted in a small category suitable for the controller.
3. It is necessary to check whether the car is equipped with aftermarket equipment.
4. If it still does not solve the problem, it is necessary to contact the controller manufacturer or automobile research institute.
[Further Resource]
What to Do When ECU Upgrade Fails
How to send the error log report on GDS Smart/KDS2.0
How to get ECU logs from your tablet on GDS Smart/KDS2.0
In case the above workaround doesn't resolve the issue, please contact your distributor or GIT assistance at following email for further support.
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