Posted 5/5/2019 22:13 (#7478731 - in reply to #7478429) Subject: RE: Agco Challenger MT 655D Engine Code
North Central Texas
4355 is the Def preheater relay and 3031 is the Def tank temp sensor. I'm betting if you pull the Def controller out from behind the left hand step, it has a family of mice that dined on a wire or two. I dealt with that a few years ago.
Agco Challenger MT 655D Engine Code
