Generic OBD-II scanners can only tell you so much when it comes to European...

https://fun-wiki.win/index.php/BMW,_Audi,_Mercedes-Benz,_Volkswagen_%E2%80%93_Which_Brands_Need_the_Most_Coding%3F

Generic OBD-II scanners can only tell you so much when it comes to European cars in Malaysia. Many issues hide behind manufacturer-specific codes that need specialist tools to read correctly