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

https://www.click-bookmark.win/thinking-a-basic-obd-ii-scanner-is-enough-for-your-european-car-in-malaysia

Generic OBD-II scanners only scratch the surface when it comes to European cars in Malaysia. These vehicles use manufacturer-specific codes that generic tools can miss, leading to misdiagnoses