Launch the application and click the Activate button to identify the device.
It is frequently used to flash an interface from "Revision B" to "Revision C" to enable better communication with newer vehicles that utilize advanced CAN bus architectures. Key Features of Version 4.4.0
Run the PSA Interface Checker Install.exe . This typically creates three shortcuts on your desktop. psa interface checker 4.4.0
Different versions of Diagbox require specific firmware versions. While Diagbox often upgrades firmware automatically, the PSA Interface Checker is critical for manually downgrading firmware to maintain compatibility with older software like Lexia 3 or PP2000.
Connect your Lexia interface to your computer via USB. Note that connection to the vehicle's OBD port is usually not required for firmware flashing. Launch the application and click the Activate button
Click Version or Reference to see the current serial number and firmware status.
Support for newer Windows environments, including Windows 10 and 11. This typically creates three shortcuts on your desktop
The is an indispensable utility for automotive technicians and enthusiasts working with Peugeot and Citroën vehicles. It primarily serves as a firmware management and diagnostic tool for the Lexia 3 XS Evolution interface, ensuring compatibility between the hardware and software like Diagbox, Lexia, and PP2000. Core Functions of PSA Interface Checker 4.4.0