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

https://www.automotiveaddicts.com/119095/why-european-cars-need-a-different-kind-of-mechanic-than-usual-workshops

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