09 f350 cummins

honestly your life would be so much simpler if you just tuned the truck with an H&S. #1 it would handle all the exhaust sensor issues. #2 you could make the trans do whatever you want with MCC, incl making the tow/haul button act as an OD lockout or different shift strategy etc.
 
So with that tuner I can do the transmission tuning on top of what has already been tuned into it and wipe out all the faults on the dash? Do they support you with transmission tunes to start with? Sorry for all the questions I'm just not knowledgeable in this area.
 
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they are out of business and have been since 2015. The tuner flashes either engine only, or engine then trans. If you flashed a canned delete tune on the truck, the dash warnings related to exhaust and egr will disappear. They also have canned trans tunes but you could take a base trans tune and modify to your liking or else have a tuner that still works with MCC make it happen also. NOTE: you will lose whatever is currently flashed to the ECM / TCM. Even if you "return to stock" with the tuner, it is just forcing a stored generic factory file.
 
Did you connect the canbus wires together at the ecm on the firewall? That along with yellow wire number 53 to ground should give you key power to crank.

Can you go into more detail about the canbus wires? I’m in the middle of a cummins swap on a 10 F350. I’ve heard people mention connecting canbus wires together but not real details on the wires they’re talking about?
 
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