The driver includes a "Check VCI" utility that automatically detects if the interface firmware needs an update to match the version of Diagbox being used, preventing communication timeouts. 3. Advanced Diagnostic Capabilities
To ensure your computer recognizes the interface perfectly, you must check its status in the Device Manager. Press Windows Key + X and select . Scroll down the list of hardware categories. Look for a dedicated category named Actia USB Devices .
Enables Lexia 3 / Diagbox to read/clear faults, program keys, and view live data. actia psa interface driver
: Genuine units from ACTIA IME are used by authorized workshops, while "full chip" clones are common in independent settings. Both require similar driver foundations to function correctly. Driver Installation Guide
If you are using a custom or older Actia driver package, Windows 64-bit systems will block it by default. The driver includes a "Check VCI" utility that
: It supports multiple protocols, including CAN 2.0 , K/L-Line , and the modern DoIP Ethernet (ISO 13400) for newer models.
If properly installed, it will appear under Universal Serial Bus controllers as -> USB Multi-Instance Evolution Driver . Step 4: Manually Update the Driver If the device has a yellow exclamation mark: Right-click USB Multi-Instance and select Update driver . Choose Browse my computer for drivers . Press Windows Key + X and select
Severe firmware corruption or a failed microcontroller chip (AN2131QC) inside the device.
Click and confirm the installation if Windows prompts you with a security warning. How to Check if Your Driver is Working Properly
Ultimate Guide to Actia PSA Interface Drivers: Installation, Troubleshooting, and Updates