Psa+interface+checker+440+2021 — !!top!!

: Windows assigned the interface to COM port >16, or drivers are corrupt. Fix : In Device Manager, right-click the device → Properties → Port Settings → Advanced → change COM port to COM4 or COM8. Restart the checker.

The tool primarily serves as a firmware manager for your VCI (Vehicle Communication Interface): psa+interface+checker+440+2021

: Click "Reference" to see your current firmware version (e.g., 4.3.0, 4.3.5, or 4.4.0). Flashing Firmware (Optional) : : Windows assigned the interface to COM port

You can manually select firmware files (often found in the APPLI folder of your Diagbox installation) and push them to the device. Version 4.4.0 (2021 Context) psa+interface+checker+440+2021