No – the protocol layer is specific to PSA’s K-Line and CAN addressing.
: To update, click Select File , browse to your firmware file (usually in the MajAppCom folder), and click Downloading .
Let’s cut through the noise and get you the right tool safely.
: Run PSA Interface Checker Install.exe to install the tool. This will typically place a shortcut on your desktop.
The (often referred to as PSA Interface Checker 1.9.4.3 or newer builds) is a lightweight Windows utility designed to test and validate communication between a diagnostic interface (VCI – Vehicle Communication Interface) and a PC running PSA diagnostics software like DiagBox or PP2000 .
Once the tool shows "OK," disconnect and reconnect the USB cable. You may then use the tool again to flash the latest operational firmware, such as version 4.3.3 ( French Car Forum
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