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

https://reidyxab469.iamarrows.com/the-best-way-to-verify-genuine-parts-before-installation-on-your-european-car

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