If you need VCDS for occasional use, consider:
The "failed 2 top" error does occur with genuine Ross-Tech hardware and software. A legitimate HEX-V2 or HEX-NET cable (starting at $199) includes: vcds loader kolimer failed 2 top
Sometimes, the issue might not be with the VCDS itself but with the vehicle's system or the connection to the vehicle's OBD-II port. If you need VCDS for occasional use, consider:
Before fixing the issue, you must identify your root cause. you must identify your root cause.