Try reinstalling the VCDS device drivers and the VCDS Loader software. This can sometimes resolve corrupted file issues.
: Using cloned hardware and loaders is a violation of Ross-Tech's licensing. For stable, guaranteed performance and support, consider an official HEX-V2 or HEX-NET interface . HEX-V2 updates vcds loader kolimer failed 2 top
If you are working on your own car, using cracked diagnostic software carries significant risks: Try reinstalling the VCDS device drivers and the
Based on threads from 2022–2025, the following setups reportedly avoid the “failed 2 top” error: guaranteed performance and support
Reinstall the software provided by the seller and reconnect the cable to allow the drivers to refresh.