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

https://www.toro-bookmarks.win/thinking-about-using-a-generic-obd-ii-scanner-on-your-european-car-in-malaysia

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