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
dougmac,
Thanks very much for sending that pic and info. I've done so much research the last two days that it's all turning to mush in the brain. Not that it was very clear in the first place. I'd sure like to be shown how to check this stuff out and where all the plugs etc. are. Trying to figure out what's what and where things are at is quite a chore.
We're presently in Silver City NM and the closest Freightliner service center is El Paso TX. He was fairly confident that it was the MMDC during the first part of the phone conversation with him but, as soon as I told him my fuel gauge is still working, and something else, he started aiming at the J1939 Data Link and or it's connections. Now, even though I've got your drawing and others now down loaded, I'm still thinking I'm way over my head.
This "Data Link" and "CAN BUS" stuff is lingo that's just a bit hard off my beaten path.
Scott
Thanks very much for sending that pic and info. I've done so much research the last two days that it's all turning to mush in the brain. Not that it was very clear in the first place. I'd sure like to be shown how to check this stuff out and where all the plugs etc. are. Trying to figure out what's what and where things are at is quite a chore.
We're presently in Silver City NM and the closest Freightliner service center is El Paso TX. He was fairly confident that it was the MMDC during the first part of the phone conversation with him but, as soon as I told him my fuel gauge is still working, and something else, he started aiming at the J1939 Data Link and or it's connections. Now, even though I've got your drawing and others now down loaded, I'm still thinking I'm way over my head.
This "Data Link" and "CAN BUS" stuff is lingo that's just a bit hard off my beaten path.
Scott
