Actia Psa Interface Driver Official

Open actiapsa.inf in Notepad (Admin). Find the [Manufacturer] section. Add:

%PSA.DeviceDesc% = Install, USB\VID_0BDA&PID_0100
%PSA.DeviceDesc% = Install, USB\VID_0403&PID_6001

Save, then reinstall driver via Device Manager.

(This covers 95% of Actia clone hardware IDs) actia psa interface driver

Do not update the Actia driver via Windows Update. Microsoft may push a generic driver that breaks functionality. If you accidentally update, roll back:

Cause: Core Isolation / Memory Integrity blocks unsigned drivers.
Fix: Search "Core Isolation" in Windows > Turn Off "Memory Integrity." Then reinstall the driver using the unsigned driver method above. Open actiapsa

Installing the Actia PSA interface driver can be tricky due to Microsoft’s driver signature enforcement. Follow these steps meticulously.

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. Save, then reinstall driver via Device Manager

There are many clones and variations on the market. Driver compatibility depends entirely on your hardware revision.

Pro Tip: Always verify your interface by opening Device Manager before installing drivers. Note the USB Vendor ID (VID) and Product ID (PID). A genuine Actia typically shows VID_03F7 or VID_0525. Many clones use VID_0483 (STMicroelectronics).

For professional use, adjust these advanced driver parameters: