It means "end of displaying fault codes" ; in other words, if that is the
only fault code you get, you don't have a fault.

http://www.allpar.com/fix/80s-codes.html

Dave Milne, Scotland
'91 Grand Wagoneer, '99 TJ
"Ron" > wrote in message
ink.net...
> Can anyone tell me what a 5, 5 engine trouble code means on a 93 wrangler
> 4.0 ?
>
> Thanks
> Ron
> 93YJ
>
>