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

https://wiki-neon.win/index.php/BMW,_Audi,_Mercedes,_Volkswagen_-_Which_Brands_Need_the_Most_Coding%3F

Generic OBD-II scanners can miss crucial manufacturer-specific codes on European cars, leading to misdiagnoses and unnecessary repairs. Plus, the risk of counterfeit parts is real, which can affect your car’s performance and safety