Plug your Lexia 3 interface into your PC via USB (no need to connect to the car yet). Run as Admin: Open the psa_checker.exe as an administrator.
Request a firmware update that fails and "bricks" the device. psa+interface+checker+440+2021
The Interface Checker is a standalone tool that "pings" your diagnostic VCI (Vehicle Communication Interface). It serves as a bridge between the physical hardware plugged into your car and the Diagbox software running on your laptop. Plug your Lexia 3 interface into your PC
In 2021, many users transitioned to Diagbox v9.91 or v9.96 (often via virtualization). These versions require the interface to run firmware or higher. If your interface is running older firmware, Diagbox may: Fail to recognize the vehicle. Throw an "Initialization Error." The Interface Checker is a standalone tool that
If you're working on a specific car, I can provide more tailored advice. Let me know: What is the vehicle? Which version of Diagbox are you trying to run? Is your interface a Full Chip or a standard clone ?