On Windows 10 and 11, the driver may fail because it isn't digitally signed.
The ACTIA PSA Interface (often referred to as the VCI, or Vehicle Communication Interface) acts as a bridge between a vehicle's OBD-II port and a technician's laptop.
There are two common scenarios:
Sometimes the driver is fine, but the interface firmware is too old to talk to modern software. You can fix this using a small utility called : Open the Interface Checker tool. Click Activate to read your device. actia psa interface driver
In Device Manager, a correctly installed ACTIA PSA Interface typically appears under a specific category. Depending on the driver version and the specific VCI model (XS Evolution vs. Core XS), it may be listed as:
Select the .inf file (typically named actiausb.inf or USBSER.inf ), click , and confirm the installation if Windows displays a security warning. Verifying Successful Driver Installation
The ACTIA PSA Interface Driver is a novel approach to in-vehicle network communication, providing a standardized interface to the vehicle's ECUs and enabling efficient diagnostic functions. The driver's modular design, scalability, and flexibility make it an ideal solution for various vehicle platforms. As the automotive industry continues to evolve, the ACTIA PSA Interface Driver is poised to play a critical role in shaping the future of in-vehicle network communication. On Windows 10 and 11, the driver may
XS FAMILY. Basic+ XS / CAT Level X driver | Version 2.9.0.8, for Windows 8 (x86/amd64) | Windows 10 (x84/amd64) | Windows 11 (x86/ Genuine Actia XS not found - French Car Forum
Most driver issues occur because users plug in the device too early.
Installing the driver is only half the battle. Diagnostic software must be configured to communicate through the correct COM port. You can fix this using a small utility
While DiagBox can install on , older legacy software like Lexia may fail to function, limiting diagnostics to newer vehicles. 2. Device Configuration & Firmware
Which version (and 32-bit or 64-bit) is installed?
Windows binds the driver configuration to the specific physical USB port you used during setup. Plugging the tool into a different port might trigger a re-installation loop.
Power management is turning off the USB port. Fix: In Device Manager, expand Universal Serial Bus controllers > Right-click each "USB Root Hub" > Properties > Power Management > Uncheck "Allow the computer to turn off this device."