is a utility tool specifically for owners of the Lexia 3 / XS Evolution diagnostic interface, used for Peugeot and Citroën vehicles. While the software itself is "nondescript," it is critical for users managing Chinese clones of the official PSA diagnostic hardware. Core Functionality
Automotive Software Engineers, System Integrators, and Test Managers working with PSA Group (Stellantis) architectures. psa+interface+checker+440+2021
: Connect the PSA Interface to your PC via USB and, for certain operations, to the vehicle's OBD-II (J1962) connector for power. Execution : Launch the application. is a utility tool specifically for owners of
This article provides a comprehensive overview of the Interface Checker 440 (2021), covering its purpose, technical specifications, usage scenarios, and how it compares to standard diagnostic approaches. for certain operations