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While I appreciate your reply, I do understand that ECM's are programmed for a specific vehicle and they CAN be ordered online coming preprogrammed to your specific vehicle and are effectively plug and play. The code thrown based on the data (not enough to throw a CEL) was generator field/F...

Just to follow back up for anyone looking at this later, my local garage trouble shot this for a couple days and finally found the culprit. I had a bad pin on the two wire pigtail connector on the alternator. They were able to fix it up as ram doesn't sell just the pigtail connector (amazon does...

I work at a place that has extremely talented electronic technicians and an endless supply of testing equipment, I'm confident I could get that end of things figured out if need be, but I would need to have a "correct" sample to compare to what my truck is putting out regardless. My thought is...

Good call, I will chase down the obvious and check the batteries then seek a professional. I hit a major pothole and had some things fall off, so the dealer isn't really an option and will have to find a competent electrical specialist.

at that price I might be better off just gambling and buying a new ECM... If the pulse width isnt correct, wouldn't the only fix would be a new ECM anyways?

Thank you! I am going to trace all these back again in the morning and if I can't find anything obvious I will need to pickup a meter that is capable of measuring pulse width and dig deeper into it. I'm hopeful it isn't a PCM issue.

definitely readable, but any idea what those two wires should be reading or sending to the ecm?

I've been chasing a intermittent charging issue for a couple weeks now and am now stuck with the truck not charging at all. Relevant history: Batteries are only a couple months old. At startup, randomly wouldn't charge. Finally stopped charging all together. Put a new alternator in, still not...