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

https://juliet-wiki.win/index.php/044_Are_Aftermarket_Parts_Always_Bad_for_European_Cars

Generic OBD-II scanners can miss key manufacturer-specific codes on European cars, leading to misdiagnoses and unnecessary repairs. Plus, sourcing genuine parts is a challenge—counterfeits are common and can cause lasting damage