The "440" likely relates to the BLCKTEC 440 diagnostic tool , which provides DTC definitions and status messages during vehicle testing. Proposed Text for Different Contexts
: Allows users to manually flash different firmware versions if the automatic update through DiagBox fails or is intentionally bypassed for clone compatibility. French Car Forum Technical Specifications & Compatibility Common Firmware 4.2.2 (Legacy), 4.3.0 (v7.02), 4.4.0+ (Modern DiagBox) Operating System Preferred on Windows 7 SP1 (32/64-bit) or Windows 10 Pro Driver Type psa interface checker 440 verified
In the PSA diagnostic ecosystem, the number “440” is not arbitrary. It refers to a specific originally found in the genuine ACTIA XS VCI. The ACTIA XS is the official PSA-approved interface. Over the years, multiple clone generations emerged: The "440" likely relates to the BLCKTEC 440