Generic OBD-II scanners can’t read the full range of manufacturer-specific...

https://www.play-bookmarks.win/if-you-own-a-european-car-in-malaysia-a-basic-obd-ii-scanner-might-not-cut

Generic OBD-II scanners can’t read the full range of manufacturer-specific codes European cars throw out. Missing those means risks of misdiagnosis and repairs that don’t stick