What to Do When ECU Upgrade Fails – GIT FAQ North America

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:

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:

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:

📌If you need further assistance, please contact the North America support lines below:

United States:

Canada:

Additional Tips

Ensure the vehicle’s connectivity and battery levels are stable before retrying the upgrade.
Confirm that your tablet has the latest version of the diagnostic software installed.