Generic OBD-II scanners can only read basic codes, missing critical issues...

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

Generic OBD-II scanners can only read basic codes, missing critical issues unique to European cars in Malaysia. Manufacturer-specific diagnostics reveal hidden faults, while genuine parts help avoid costly failures from counterfeits