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 costly repeat visits. Add the risk of counterfeit parts, and you’ve got a tricky situation