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The P2BA9 is for bad def. Do you add any distilled water? I tried that after some on this forum said the 2015 didn’t have a def quality sensor. It threw the code with in 50 miles. Changed the def and it went away. it’s possible you had bad def and put in bad def again.

After all the stated repairs were done the issue has been resolved. I wish I could add something else for you to try.

I had my 2015 in for an oil change two weeks ago. The tech that was doing the oil change sent me a video of the the inspection, showing me the oil leaking from the gasket of the timing chain cover. Luckily I have a warranty from the dealership that the truck was purchased from and it will be...

Try cleaning the DEF injector. I use a steam cleaner. Takes longer for the steamer to get to temp then it does to clean.

Well, just got the truck back. They drained and flushed the DEF tank, filled half full with new DEF and so far 50 miles with out a CEL.

Looking to see if anyone else has had this issue since the recall update (allow the truck to operate in limp mode if tone ring delaminates) A constant P20EE code. Truck has been at the dealer for over a week. So far the dealer has replaced the cat drained and replaced all DEF fluid and a NOx...

Have you tried steam cleaning the injector yet? Once apart it takes longer for the steamer to get to temp then cleaning.

Well, that apparently didn't work. 17 miles and CEL P20EE came back on. It seems they are stumped, not sure what to do. but had a conversation about loaner vehicle. Hope they have an answer for me soon. Service advisor seems to think their is a much bigger issue, they cant seem to find...

Reason for bringing it in?

So, had another P20EE, they thought it had something to do with the reprogram recall to allow the truck to go into limp mode if tone ring delaminates. Its been at the dealer since mid last week. Now hear its a NOx sensor gone bad. they will replace on Thursday when part comes in. Advisor said...

I have been told its the catalytic converter. They will replace under the V08 recall warranty

Their seems to be some fluid on the ground in the area of the filler, the injector and a little past the injector (towards the front of the truck) all on the drivers side. Some spots were dried and white on the ground, more spots showed up after starting this morning. The other thing I noticed...

2.5 gallons of new Kleen DEF and I had maybe 1/2 gallon of 3-4 months old. I did add 1 gallon of Distilled water as recommended by a few people here and other forums.

2015 with 60500 miles. I did steam clean the DEF injector at 50,000 miles. The list of possibilities for these two CEL's seems to be pretty long. I'm taking it to the dealer tomorrow. Any suggestions before it goes in? Thanks

I have a 2015, this part number works for 2014-2016 I believe

82213959AC, type it in to Amazon $108.99. I think my local dealer was over $300

Well, I spoke to soon. I got the P20EE again today. Cleared the code with the scan tool will see how long it lasts. I can't believe its crystaled up again already.

Yes, Tremper126 you are correct. I started diluting and it was a matter of days after and I got the code. Steam cleaned and have been code free since.

TC, We spoke on the phone a few months back. I have been adding Distilled water into the DEF tank. Works the same and the exhaust smell is not as strong.

I have a 2015 56000 miles and just had that same code. I ended up buying a portable steam cleaner off Amazon and cleaned the DEF injector and the inlet. DEF will crystalize and clog. 2000+ miles later still no code. Their is a YouTube video on it if needed.