Generic OBD-II scanners often 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 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