The market is flooded with inexpensive "clone" cables that often come bundled with a cracked version of VCDS 16.8. While tempting due to the low price, these carry significant risks:

Identifying why a "Check Engine" or "ABS" light is on.

Users on forums like Drive2 have shared experiences with VCDS 16.8.4 from China, noting both successes and potential pitfalls.