If you are a Peugeot or Citroën owner into DIY diagnostics, you’ve likely encountered the . This hardware is the bridge between your car’s ECU and dealer-level software like Lexia 3, PP2000, or the newer Diagbox. However, the most common hurdle users face isn't the software itself—it's getting the Actia PSA interface driver to communicate correctly with Windows.
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
Getting the right is 90% of the battle when setting up Peugeot/Citroën diagnostics. By ensuring you have a "Full Chip" interface and verifying the "USB Com Board Driver" status in Device Manager, you'll save hours of frustration. If you are a Peugeot or Citroën owner
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 How to Install the Actia PSA Interface Driver
Connect the interface to your PC's USB port. You should hear the "hardware connected" chime. Step 3: Check Device Manager