Symptom: ECU upgrade in progress, error code [5021-10-7005]
Cause: ECU upgrade communication open command, CAN BUS error occurred
Resolution:
1. It is necessary to check whether the car is equipped with after-market equipment.
2. It is necessary to check all wire connections are OK corresponding to the event of ECU Upgrade.
3. It is necessary to connect the diagnostic device and check the normal display of the sensor output of the target controller.
4. If the connection status and sensor output are normal, retry the ECU upgrade.
[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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