Generic OBD-II scanners only scratch the surface with European cars—they miss...

https://blogfreely.net/weyladikle/what-happens-if-the-service-indicator-is-not-reset-properly

Generic OBD-II scanners only scratch the surface with European cars—they miss many manufacturer-specific codes that reveal real issues. Pair that with the risk of counterfeit parts flooding the market, and you’ve got a recipe for costly mistakes