I come across an article this morning talking about how the Ram EcoDiesel owners are getting sick from the smell of exhaust fumes in the cab.
I found it interesting it's this large of a problem. We've had a few reports here, but generally on a web forum you only hear the worst of a problem and...
Sounds like your getting the run around. I would make sure to keep all documentation in case this next dealer can't figure it out. Then call Ram customer service and open a case.
Your only option is to drive to another dealer closer to you that has a diesel tech on site. That code comes back as an emissions code, here is a workorder I found for another EcoDiesel that had the same problem:
PUNCH #1 AND #2 CHECK ENGINE LIGHT ON . CODE p2OEE-00 SCR NOX CATALYST EFFICIENCY...