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

https://extra-wiki.win/index.php/What_Does_a_Specialist_Do_Differently_During_Routine_Servicing%3F

Generic OBD-II scanners often miss key manufacturer-specific codes on European cars, leading to misdiagnoses and repeat visits. Plus, sourcing parts without the right connections risks counterfeit items that compromise safety and performance