Generic OBD-II scanners can only read basic fault codes, but European cars...

https://wiki-fusion.win/index.php/What_Is_Condition-Based_Servicing_and_How_Does_It_Work%3F

Generic OBD-II scanners can only read basic fault codes, but European cars often use manufacturer-specific systems that need specialist diagnostics to pinpoint issues. Using counterfeit parts risks more damage and costly repairs