Chevy 2500 HD - ECM update?
Hi everyone. I have a 2500 HD that is 1.5 years old. I do all of my own maintenance, and have never taken the truck back to the dealer. I read on another post that Ford may update the ECM on their Sup...
Forum Discussion
Software updates are generally done for a specific reason, like fixing or improving emission cycles, or to address a specific problem. No mfg is going to rewrite a software package just to give owners 0.05MPG inprovement.
