If running Diagbox on a Virtual Machine (common for Windows 10/11 users), ensure the USB controller is set to USB 2.0 in the VM settings and that the "Actia" device is "Connected" to the guest OS, not the host.
Under this, you should see .
Requires signed drivers or "Disable Driver Signature Enforcement" to be active during installation. Most modern versions of Diagbox (v7.83 and above) include a 64-bit driver patch, but manual intervention is often required. 3. How to Install the Actia PSA Interface Driver Step 1: Install the Main Software First actia psa interface driver
Do not plug in the interface yet. Install your diagnostic software (Diagbox is recommended as it contains the most up-to-date driver library). During the installation, the setup will typically prompt you to install the Actia drivers. Step 2: Connect the Interface If running Diagbox on a Virtual Machine (common
This is the gold standard. If your interface shows as Reference "B," it may require a firmware flash to work with newer versions of Diagbox. Most modern versions of Diagbox (v7
If your driver is installed but the software still won't talk to the car, you need the . This small utility identifies the firmware version of your Actia tool.