Who knows about FCCC "MMDC" and its issues?
Gents, I've searched and read many issues regarding the old "VDC" units and the newer MMDC units. I'm thinking I may have developed an MMDC issue. Here's the scenario. We're presently on vacation and...
Forum Discussion
I am not following the acronyms ... but it sounds like you are talking about your electronic dash/info center. It sounds like the dash has lost its data connection to the chassis J1939 data link. If you can locate the connection where the data cable connects, the resistance between the two wires coming from the chassis should be around 60 ohms.
