Yup, it is the computer telling you there are no more codes stored and
it is actually a code 55 meaning end of session.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Ron wrote:
>
> Can anyone tell me what a 5, 5 engine trouble code means on a 93 wrangler
> 4.0 ?
>
> Thanks
> Ron
> 93YJ