CEL's P2BA9(new) and P20EE(again)

[AndyIRV]

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

 

[Tremper126]

How old is your def fluid?

 

[AndyIRV]

How old is your def fluid?

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.

 

[Tremper126]

They make a device to check the fluid to make sure it’s still good, but I wonder if your nozzle isn’t bad internally.

 

[AndyIRV]

They make a device to check the fluid to make sure it’s still good, but I wonder if your nozzle isn’t bad internally.

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 is the exhaust smell was like a diesel pre DEF. (didn't smell like sour pee)
Maybe the injector is clogged

 

[Tremper126]

I wonder if the line joints are failing, not giving the injector enough pressure to fully do its job... deff interesting it’s leaving spots under the truck. Times like this makes me wish everyone lived closer so we could team up and check out these issues and brainstorm.

 

[AndyIRV]

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

 

[AndyIRV]

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 it's under warranty. 10th+ time this code has come up in 6 months.

 

[AndyIRV]

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.

Anybody experience this code, this often? With no answers.