Vas 5054a Usb Drivers Best Page
A: Check the vehicle's OBD fuse. Also, ensure the ignition is ON. The VAS 5054A powers the logic via USB, but the K-Line/CAN transceivers need the car's 12V on pin 16.
The VAS 5054A hardware was originally designed during the Windows XP and Windows 7 eras. Compatibility with modern operating systems depends heavily on the version of ODIS you intend to run. Vas 5054a Usb Drivers