Topic: 2005 dodge ram pcm

The truck came to my shop with you can running very rough only once warmed ready. It had been updated less than 6 months prior. I have done notice a new alternator are installed with out by my opinion. I remembered the customer had mentioned he was on vacation a month ago and had it installed because it failed while traveling. I inspected both primary and secondary ignition system for signs of failure. Approaches checked out fine. I hooked up my scan tool to retrieve any service codes, there whe...