Generic OBD-II scanners might read basic codes, but European cars need more...

https://wiki-club.win/index.php/What_Should_I_Expect_When_Booking_a_European_Car_Diagnostic_Appointment%3F

Generic OBD-II scanners might read basic codes, but European cars need more precise diagnostics to catch manufacturer-specific issues. Without specialist tools and trusted parts sourcing, you risk costly misdiagnoses and counterfeit components