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The Actia PSA (Peugeot/Citroën) Interface Driver is specialized software that allows a computer to communicate with a vehicle's electronic control units (ECUs) through an Actia diagnostic interface. This capability is what enables full-scale dealer-level diagnostics [11†L19-L20].
Allows Windows to identify the VCI (typically via USB) as a "PSA Interface" or "USB Com Board Driver". actia psa interface driver
The Actia PSA interface (often labeled as "XS Evolution") has several versions. The "Full Chip" versions are generally more stable and compatible with modern 64-bit operating systems.
Understanding the Actia PSA Interface and Windows Compatibility This public link is valid for 7 days
Driver failure is the single most common reason DiagBox users experience connectivity problems. Below are the most frequent errors and how to resolve them.
The Actia interface was originally designed for Windows XP and Windows 7 32-bit. This is where most installation headaches begin. Can’t copy the link right now
The software is launching, but it cannot open the USB port assigned to the Actia driver.
Expand this category. You should see listed without any yellow exclamation marks or warning triangles. Checking the Hardware Instance ID