Thread: U0073 control module communication bus off..help!!!

Originally Posted by J57ltr

This guy has a GM and had a bad battery, even though it tested good. he also has an aftermarket remote start and radio.

http://www.silveradosierra.com/engin...346378-10.html

Here is a cobalt with the same code. can't here it because I'm at work.

https://www.youtube.com/watch?v=dL87GKhiDUQ

Thanks J57ltr,Did hear some people saying battery could cause this and fuses as well.Going to look at all that today.Hoping I come across something.Appreciate it