Generic OBD-II scanners often miss key manufacturer-specific codes on European...

https://kylerssplendidperspectives.nexorafield.com/posts/audi-vs-volkswagen-specialist-workshop-can-the-same-shop-handle-both

Generic OBD-II scanners often miss key manufacturer-specific codes on European cars, making accurate diagnostics tough. Mix in the risk of counterfeit parts, and your vehicle might never get the care it truly needs