Finding the correct driver for the interface can be a frustrating experience, especially since this legacy hardware is the backbone for Peugeot and Citroën diagnostics via Lexia 3, PP2000, and Diagbox .
If you already have Diagbox installed, the driver is likely sitting on your hard drive. Navigate to: C:\AWRoot\bin\fi\APPDIAG.SYS\Drivers
By ensuring your drivers are correctly mapped to the ACTIA USB subsystem, you’ll eliminate the most common hurdle in PSA vehicle diagnostics.
If you are using , the OS may block the driver because it is unsigned. You must restart Windows in "Disable Driver Signature Enforcement" mode before proceeding. 2. Connect the Hardware
To ensure your PC recognizes the 9780.Z5 interface, follow these steps: 1. Disable Driver Signature Enforcement