Generic OBD-II scanners only scratch the surface when it comes to European cars...

https://www.first-bookmarkings.win/thinking-a-generic-obd-ii-scanner-will-cut-it-for-your-european-car-here-not

Generic OBD-II scanners only scratch the surface when it comes to European cars in Malaysia. These vehicles use manufacturer-specific codes that require specialist diagnostics to pinpoint issues accurately