Psa Interface Checker Download Link |work| Jun 2026

Instantly see if your interface is recognized as a Revision B or the highly sought-after Revision C.

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Choose the correct COM or USB port setting if prompted (the tool usually auto-detects the connected XS Evolution interface). Step 3: Checking Your Current Version psa interface checker download link

Open Device Manager. Ensure USB Com Board Driver (Multi-instance) is listed under ACTIA USB Devices. Try switching to a USB 2.0 port instead of USB 3.0. "Reference Serial: Unknown"

Plug your XS Evolution / Lexia 3 interface into a USB port on your PC. Tip: Connect the OBD side to a vehicle or a 12V external power supply to ensure the interface remains powered during the flash. Step 2: Running the Tool Instantly see if your interface is recognized as

Checks if the device is a Revision B or Revision C . Revision C is typically required for full compatibility with newer versions of Diagbox (v7.xx and higher).

: Run PSA Interface Checker Install.exe to install the tool. This will typically place a shortcut on your desktop. If you share with third parties, their policies apply

If you purchase a third-party Lexia 3 clone (such as those found on eBay, AliExpress, or Amazon), they often ship with older firmware (e.g., V4.2.2 or V4.3.0).