While drivers rarely see the electronic control units (ECUs) hidden under the dashboard, they feel their effects every time they turn the key. The XS Evolution is not just another diagnostic tool; it is the bridge between complex onboard systems and the practical needs of the independent garage owner and the professional fleet manager.
The driver an interface uses is often a telltale sign of its origin and firmware. Genuine ACTIA units and some high-quality clones typically use the "UMDF" driver. Meanwhile, clones that have been "activated" to appear as a higher-spec model (e.g., showing a reference code of "963830C" instead of "B") will often use the "Multi-Instance" driver. actia psa xs evolution drivers
💡 If the driver is installed but the software says "Init KO," your interface might be in the wrong mode. Use the PSA Interface Checker to ensure your serial number is recognized and the firmware version matches your DiagBox version. While drivers rarely see the electronic control units
The Actia PSA XS Evolution is a essential diagnostic interface for Peugeot, Citroën, DS, and Vauxhall vehicles. Drivers for this hardware, typically referred to as the VCI (Vehicle Communication Interface), allow diagnostic software like DiagBox to communicate with the vehicle's electronic control units (ECUs). Driver Availability and Compatibility Genuine ACTIA units and some high-quality clones typically
Use this utility to verify the connection and check the internal firmware version (e.g., 4.3.0 or 4.3.5).