Code U1000 Stopped running while driving and it will not start up

It has to be scanned for codes first to see what is wrong not replace parts that may be good. The U1000 code is something a mechanic has to trace down because one module is not talking to the other. It could be a shorted wire etc. Also, fuel pressure must be checked. Which should be 60-66 psi. See link, but a mechanic will have to look at this anyhow to fix the U1000 code.

Nik, I rarely read what the talent level is sorry but if this has happened since new computer was replaced and you are having the trouble that you state I would say it is not programmed correctly. Do you have a scanner that will read U codes and where it lies? It may be between abs and PCM check the ground for the PCM then if you have a tech 2 or one that will read this code see what module is messing up and check for battery voltage and ground on that particular one. Just for the heck of it you might check PCM for bent pins and good connections seeing as that is down on fender well make sure they used dielectric grease as well on connector to keep out water intrusion.