Did you ever find out what was going on with your truck? Im having the same issues
Wow thanks, maybe its in derate because it needs a new doser valve, is it anyway to get it out of derate so i can get it to the shop, also it's a...
Looks like I see a 543 on the dash if that any info on helping me ...the def doser valve has a lot of white stuff Aron d it also, could that be...
I have a Cummins isx it's in derate mode it's showing codes on my dash which are Engine 0 Fail 31 5246 1569...i had the dpf/doc cleaned i changed...
