Go to > Advanced options > Startup Settings > Restart .

The Actia PSA XS Evolution interface (often referred to as Lexia 3 or PP2000) is the gold standard for diagnosing Peugeot and Citroën vehicles. However, getting the hardware to communicate with a Windows PC requires the correct . Without the proper driver installation, diagnostic software like Diagbox will fail to recognize the device, resulting in connection errors.

Essential for older models (pre-2005) that rely on slower, serial-based diagnostic communication. SAE J1850 (PWM/VPW):

Error: Interface Recognized as "Unknown USB Device (Device Descriptor Request Failed)"

How to Install the Actia PSA Interface Driver (Step-by-Step)

The driver bridges the gap between Windows and the physical Actia VCI (Vehicle Communication Interface). It is a , which translates PC commands into vehicle-specific protocols (CAN bus, K-Line, etc.). Official Name: Actia Passthru+ XS / XS Evolution Driver.

Open Device Manager. If the device keeps disconnecting and reconnecting every few seconds, the USB cable or the internal USB solder joints on the interface board are failing. Swap the USB cable or try a dedicated USB 2.0 port. Error: Yellow Exclamation (Code 52) on Windows 10/11

To ensure your computer communicates perfectly with the vehicle interface, follow these steps to install the driver cleanly.

The Actia PSA Interface Driver offers several key features and benefits, including:

Hold down the while clicking Restart in your Windows Start Menu.

Enables advanced operations including key programming, "telecoding" (reconfiguring ECU parameters), and actuator testing. 2. Official Software & Versions

The Actia PSA Interface Driver has a wide range of applications in the automotive industry, including:

Required for modern DiagBox versions (V7.xx, V8.xx, and V9.xx). Running 64-bit systems requires signed drivers or disabling Driver Signature Enforcement. Step-by-Step Driver Installation Guide

Manually locate the Drivers folder inside your Diagbox installation directory or setup ISO. Force update the driver using the "Have Disk" method outlined above. 2. The Interface Drops Connection Intermittently Cause: USB power management settings or a faulty USB cable.