PSA Interface Checker 4.4.0 is a utility tool used to manage the firmware of Lexia 3 / XS Evolution diagnostic interfaces
Errors are now categorised as:
Enhanced VCI (Vehicle Communication Interface) Detection
The checker now identifies clone interfaces with greater accuracy, reducing false “No Interface Found” errors. It also supports the newer OBDLink and Actia pass-thru standards. psa interface checker 4.4.0
You need to change the firmware version to match a specific Diagbox installation (e.g., flashing to 4.3.0 or 4.4.0 for better stability on certain revisions). PSA Interface Checker 4