If you encounter issues with the Vas 5054a USB driver:

The device serves as a universal interface for all vehicle systems, communicating via Bluetooth or USB .

After that, the drivers stopped being just software. They were windows. Each time I opened that driver package, another scene unfolded: a late-night test drive down a coastal road, rain slicing the visor; a soldering-iron glow on a PCB as nimble fingers repaired a severed trace; an elderly mechanic, hands like polished knots, tracing a VIN with a fingertip and whispering a thank-you to a car that had carried her through decades.

Sometimes the VAS 5054A "sleeps" between vehicle connections. Create a batch file to reset the driver stack: