Click the first two buttons to read the serial number. If it displays a Revision B, your interface may need to be reflashed to Revision C for modern Diagbox compatibility. Flash Firmware: Click "Version Selected File (APPLI.com)".
Ensure you have the USB drivers for the Actia device installed.
Run the PSA Interface Checker Install.exe . This typically creates three shortcuts on your desktop.
Look at the output screen. A fully compatible, updated interface will typically display: APPLI_XS_Fuji_P106138A@V4.4.0
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
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.
I can provide specific firmware file recommendations based on your hardware. Share public link
If your interface is showing a or "928181 C" serial number Share public link
The is an essential utility tool for automotive technicians and DIY enthusiasts working with Peugeot and Citroën vehicles. This specialized software verifies, manages, and updates the firmware of your Lexia 3 (PP2000) and Diagbox hardware interfaces. It ensures seamless communication between your computer and the vehicle's electronic control units (ECUs). What is PSA Interface Checker 4.4.0?
Go to Control Panel → Programs and Features. Remove any previous “PSA Interface Checker” or “DiagBox” components. Reboot.
firmware to maintain compatibility with older, more stable versions of Lexia or PP2000 software.
Running DiagBox inside a VM (VirtualBox/VMware)? Add this filter to your VM’s USB settings:
Click the first two buttons to read the serial number. If it displays a Revision B, your interface may need to be reflashed to Revision C for modern Diagbox compatibility. Flash Firmware: Click "Version Selected File (APPLI.com)".
Ensure you have the USB drivers for the Actia device installed.
Run the PSA Interface Checker Install.exe . This typically creates three shortcuts on your desktop.
Look at the output screen. A fully compatible, updated interface will typically display: APPLI_XS_Fuji_P106138A@V4.4.0 psa interface checker 4.4.0
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
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.
I can provide specific firmware file recommendations based on your hardware. Share public link Click the first two buttons to read the serial number
If your interface is showing a or "928181 C" serial number Share public link
The is an essential utility tool for automotive technicians and DIY enthusiasts working with Peugeot and Citroën vehicles. This specialized software verifies, manages, and updates the firmware of your Lexia 3 (PP2000) and Diagbox hardware interfaces. It ensures seamless communication between your computer and the vehicle's electronic control units (ECUs). What is PSA Interface Checker 4.4.0?
Go to Control Panel → Programs and Features. Remove any previous “PSA Interface Checker” or “DiagBox” components. Reboot. Ensure you have the USB drivers for the
firmware to maintain compatibility with older, more stable versions of Lexia or PP2000 software.
Running DiagBox inside a VM (VirtualBox/VMware)? Add this filter to your VM’s USB settings: