Generic OBD-II scanners can’t fully read manufacturer-specific codes on...

https://www.bookmarking-base.win/generic-obd-ii-scanners-can-only-tell-part-of-the-story-when-it-comes-to

Generic OBD-II scanners can’t fully read manufacturer-specific codes on European cars, leading to missed issues or misdiagnoses. Plus, the risk of counterfeit parts is real and can cause more harm than good