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Or try and find a freeway to keep steady driving but if I'm almost where I wanna go, I just finish once there. Then let it idle till temps are back down under 400 and shut down

Once its starts a regen, you only have 30sec of idle time before it stops again, so you drive, quick park and maintain 1500 to 1800rpm and it will stay active till it completes. Works good for me anyway

I don't have the tune myself, but with tow/haul mode on, the trans does shift down sooner if you lightly apply the brakes and that helps with the braking

Use tow/haul mode and use the manual shift buttons to raise rpm above 2500. It's just a turbo brake restricting exhaust.

Welcome, that is a nice looking truck. Reminds me that I should wash mine more often........looks like you need the front splash guards yet!

This works to monitor quite a few things but the only real way I found to check if it's in regen is to monitor dpf exhaust temp. It has a emissions status but no way to read it while driving as it's too small. If it goes up over 1000 then you know its active. But, you say you tow your RV. You...

It likely quits heating the trans oil when it's being worked by towing

Does it still turn over or did it put a rod thru the block?

I'm guessing you could shut off the truck hot and immediately restart with the remote start to let it cool down

EGR recall done yet? I assume this is happening in warm weather operation?

If the DEF tank isn't on empty, then obviously it has issues with the system. The def injector can clog and can be cleaned, then run your system at 50/50 DEF and distilled water to prevent it from happening again. 2015 doesn't have a DEF quality sensor so that works

Are you sure that isn't just steam? Smoke doesn't dissipate that quick in my opinion....

I use bluedriver as well, but I'm curious as to what faults you are experiencing? Now I did notice that the app needs to be closed when truck is shut off as it doesn't automatically reconnect on start up if left running.

You should get a used stock 2016 ecm and put it in and sell your ecm with the hot tune!

Sounds like a low voltage situation to me, unless you already replaced the battery with a fully charged battery. Check the connections for corrosion or looseness

I haven't experienced the crankshaft position sensor failure yet, so I'm not sure if this falls into that category or not. Again, did it quit while running, or just not starting?

Welcome 1st post, Did it shut down during operation, or not starting after having worked perfectly? Tell us some more: year, kms or history

You don't give many details about age and mileage but very unlikely that it's the alternator and acting like that. Something electrical in the starting system is the place to start looking

If the delivery truck has the wrong product in the compartment that the driver thinks is diesel then he will still put it in that diesel tank if it's more than a hundred yards away!

Fuel settles to the bottom which is ĺikely why you would have got so far and it wouldn't be the first station to accidentally have gas put into the diesel tank