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

https://delta-wiki.win/index.php/What_Happens_if_the_Service_Indicator_Is_Not_Reset_Properly%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