Use the PSA Interface Checker tool to flash your firmware up or down. For Diagbox v7.83, firmware V4.3.2 or V4.3.3 is generally required. 3. Driver Drops Connection Randomly
Right-click the .inf setup file (often APPLI.inf or psa_usb.inf ) and select . Alternatively, run the Driver_Setup.exe file if provided. Step 3: Verify the Installation in Device Manager
The is the critical software component that allows your Windows computer to communicate with the PSA XS Evolution interface—more commonly known as the Lexia 3 or Proxia diagnostic tool. This hardware is indispensable for owners of Peugeot and Citroën vehicles, allowing access to dealer-level diagnostics via the Diagbox or Lexia software suites.
Right-click the Windows Start menu and select . actia psa interface driver
The driver is working, but the interface firmware version is incompatible with your specific version of Diagbox.
Hold the while clicking Restart in your Windows Start Menu.
Right-click the file and select Run as Administrator . Use the PSA Interface Checker tool to flash
Unlike generic ELM327 interfaces, the Actia unit requires to work with PSA software in "Vehicle Communication Interface (VCI)" mode.
The is the backbone of your Citroën/Peugeot garage setup. By ensuring you are using the Multi-Instance driver on a 32-bit architecture, you can avoid 90% of the connection errors that plague DIY mechanics. To help you get the right setup, could you tell me: Which version of Windows are you using? What is the Diagbox version you're trying to run?
What or device status do you see in the Device Manager? Driver Drops Connection Randomly Right-click the
Supported by modern Diagbox versions (v9.xx and above, often run via pre-configured VMware virtual machines).
Connect the interface to your PC's USB port. You should hear the "hardware connected" chime. Step 3: Check Device Manager
When working with clone Actia interfaces, turn off Wi-Fi on your diagnostic laptop. If the driver or software attempts to connect to Actia servers, it may blacklist your device serial number, disabling the hardware firmware entirely.
Generally plug-and-play once Diagbox is installed.