Generic OBD-II scanners might give you a basic code, but European cars often...

https://www.automotiveaddicts.com/119095/why-european-cars-need-a-different-kind-of-mechanic-than-usual-workshops

Generic OBD-II scanners might give you a basic code, but European cars often use manufacturer-specific diagnostics you just can’t miss. Plus, the risk of counterfeit parts is real and can cause more harm than good