(I have no connection to him other than using his services a few times in the past and having laned with him a few years ago, although, not seen him in years)
If it's just a standard diagnostic machine i've got a code reader, shows code and what it means, and can reset if needed, its supposed to cover all petrols from 2001 and all diesels from either 2003/2004, if your ever down leicester let me know