Step 1: Verify Compatibility Before Starting the ECU Upgrade
Before performing an ECU upgrade, confirm that the upgrade is appropriate for the vehicle by checking the following:
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Technical Service Bulletin (TSB):
Refer to the relevant TSB to ensure the update applies to the vehicle. -
ROM ID and Part Number:
Verify that the ROM ID and part number match the requirements for the update. -
Vehicle Details:
Double-check the powertrain, model year, and specific vehicle model to confirm compatibility.
⚠️ Proceed with the upgrade only after verifying these details. Skipping this step may result in upgrade failure or improper ECU operation.
Step 2: Submit the Error Log Report
Submit the error log report through the Log Collection function:
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Access Path:
Configuration > Error Log Collection
Navigate to:Myfiles > Internal storage > nvcidata > log > ecu
Compress the entire "ecu" folder or selectively compress log files, ensuring the total size does not exceed 20MB. -
Refer to the official video guide for sending the error log.
Step 3: Notify Your Distributor and Leave a Message on GSW
Let your distributor know that you have submitted an error log report by providing the following information:
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Report number
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VIN (Vehicle Identification Number)
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Distributor or dealer code
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GSW account
📌 Also, please leave a message on GSW to ensure your case is tracked and reviewed by the technical team.
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🔗 GSW (Global Service Way)
https://www.kia-hotline.com (for KIA)
https://ccc.hyundai.com (for HYUNDAI & GENESIS)
→ Go to Find Diagnostic Tool and select KDS Hotline or GDS Hotline accordingly.
Additional Tips
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Ensure the vehicle’s connectivity and battery levels are stable before retrying the upgrade.
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Confirm that your tablet has the latest version of the diagnostic software installed.
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