Determines if your interface is "Evolution" (full chip) or a "Lite" version.
Allows users to manually upgrade or downgrade the firmware to match specific Diagbox software requirements. psa+interface+checker+440+2021
Ensure that the are correctly installed in your Device Manager before running the checker. If the PC sees the device as "Unknown," the checker will not function. Determines if your interface is "Evolution" (full chip)
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. If the PC sees the device as "Unknown,"
Instantly detects the current firmware version (e.g., 4.3.0, 4.3.7) of your Lexia 3 interface.
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 success of using Interface Checker 4.4.0 depends heavily on your hardware. interfaces (containing the 7 optocouplers and the correct NEC relay) handle firmware flashes smoothly. Lite/Cheap clones may fail the update process or lose communication entirely. Driver Integrity