Generic OBD-II scanners can only read basic codes, missing critical issues...

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

Generic OBD-II scanners can only read basic codes, missing critical issues unique to European cars in Malaysia. Manufacturer-specific diagnostics reveal hidden faults, while genuine parts help avoid costly failures from counterfeits