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

https://dlf-ne.org/how-do-i-know-if-a-workshop-really-specializes-in-continental-cars/

Generic OBD-II scanners can miss key manufacturer-specific codes on European cars, leading to misdiagnoses and unnecessary repairs. Plus, sourcing parts without expert know-how risks counterfeit or incompatible items