can't get any self test to work?

jbird Guest	can't get any self test to work? Oct 1, 2015 4:19:01 GMT -8 via mobile Select Post Deselect Post Link to Post Back to Top Post by jbird on Oct 1, 2015 4:19:01 GMT -8 The unit connects just fine but when doing self test I get unknown code or data out of range. Any idea how to get the self test to work. 2008 F350 Powerstroke.