Psa Interface Checker 4.4.0 Page

Click and locate your desired firmware .bin or .HEX file.

Errors are now categorised as:

Click on "Select File" to choose the firmware file you want to flash. Common files to turn a "B" interface into a "C" type include firmware_NLC_pour flash serial B to C.COM or similar .COM files.

This specific firmware version is highly sought after because it unlocks full compatibility with modern Diagbox software suites, ensuring stable initialization and seamless coding functions. psa interface checker 4.4.0

What or problem are you experiencing with your interface?

Overview

Plug your VCI into your PC’s USB port (you don't need to connect it to the car yet). Run the Tool: Open PSA_Interface_Checker.exe . Click and locate your desired firmware

, which are the hardware connectors for Peugeot and Citroën (PSA) vehicles. Key Features and Functions

A successful connection will show your current version (e.g., "APPLI_XS_Fuji_P106138A V4.3.0"). Step 4: Flashing New Firmware

: Queries the hardware to see if it is recognized as Revision B or the more modern Revision C. This specific firmware version is highly sought after

: Retrieves the hardware ID, serial number, and current firmware version (e.g., v4.3.0, v4.3.2) from the connected VCI.

Do not connect the interface before the installer asks. Plug it into a direct USB port, not a front-panel hub. Wait for the “Device configured successfully” pop-up.

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.

What (e.g., v7.83, v9.91) are you planning to use?