Actia Psa Interface Driver » [ Exclusive ]

Before your next diagnostic session, verify:

The driver allows Windows to communicate with the ACTIA hardware via USB. Once installed, the interface appears as a standard D-PDU (Pass-Thru) device, enabling J2534-compatible software to send and receive diagnostic commands.

In Device Manager, you should see:

Diagnostic Application (DiagBox, GDS, etc.)
           │
           ▼
   SAE J2534-2 / D-PDU API
           │
           ▼
  ACTIA VCI Driver (actia_psa.sys / libactia.so)
           │
           ▼
  USB / WiFi / BLE Transport Layer
           │
           ▼
  ACTIA Interface Firmware
           │
           ▼
  OBD‑II Connector → Vehicle ECUs

The Actia PSA interface driver is a specialized software component that enables diagnostic communication between a vehicle’s electronic control units (ECUs) and diagnostic applications using Actia hardware tailored for PSA (Peugeot Société Anonyme — now part of Stellantis) vehicles. This narrative explains what the driver does, why it matters, how it works at a high level, typical features, and practical considerations for developers and technicians.

The Actia PSA XSight (or older "Pass-Thru" VCI) is the OEM-level diagnostic interface for PSA Group vehicles. It connects your Windows laptop to the vehicle’s OBD2 port to run dealer-level software (DiagBox, Lexia, PP2000). actia psa interface driver

Unlike generic ELM327 interfaces, the Actia unit requires proper signed drivers to work with PSA software in "Vehicle Communication Interface (VCI)" mode.

| Item | Detail | |------|--------| | Vendor | Actia (official) or licensed clones | | Driver name | Actia PSA XSight Driver (or PSA XSight VCI) | | Driver type | USB-to-CAN / USB-to-K-Line | | Compatible OS | Windows 7, 8, 10 (32/64-bit) – avoid Win11 for old versions | | Software that needs it | DiagBox, Lexia, PP2000, PSA SEDRE wiring, ServiceBox | | Driver file | ActiaPSADriverInstaller.exe or bundled with DiagBox | Before your next diagnostic session, verify: The driver

⚠️ Many “clone” Actia interfaces have incorrect or missing drivers – you must manually install the correct .inf for your unit’s USB Vendor ID (VID_0BDA or VID_0403).