Yeah, it's an odd one. I've spent quite a while pawing over the OBC data and on my vehicle (test 15 from memory) at times it displays "ODB - (and then a code)".

Not sure why the doco doesn't detail that but mine does it.

The problem of course being that none of the displayed codes actually correlate to anything I've ever found. After a reset using a scanner they disappear however so I am confident they are diagnostic codes of some description.


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2005 3.0d E53
Sports Pack