P2000 NOx Trap Efficiency Below Threshold Bank1
 

I drove out of 350 miles out of town on my 2012 6.7 Cummins, has 111000 miles on it, and when I got to my destination the check engine light came on. Now I have to drive back tomorrow.
Is it something that can wait till I get back and take care of, or is it something that I absolutely must take care of it right away and take to the dealer?

Here is all I could find on the P2000 code.
it doesn't appear to be life threatening but I am no expert. Hope this helps!

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Thanks.
The autozone printout they gave me says;
The pcm detected the third heated oxygen sensor signal was greater than the maximum allowable
I don't know if I can still drive it back home 350 miles away, where I can fix it???

I would clear the code and then check it again. Are you towing a heavy load?

No sir, not towing anything.
I'm out of town with family on vacation
Today is last day to go back

Clear the code add some lucas to the next tank of Fuel. I don;t think you have anything to worry about just get it checked at home. The oxygen sensor signal will not cause the engine to not run.

Thank you sir. I'll do that

:tu: Here is another thread on the subject.
https://www.dieselbombers.com/6-7-li...ode-p2000.html

I took both batteries positive & negative wires off for a minute or so, hoping to clear code
But, didn't clear it.

The oxygen sensor is probably bad or has a bad connection just get it replaced at home.
Here is how the DTC's are tripped and stored. The PCM powertrain control module sets the MIL maintenance light when it sees a sensor or other item out of tolerance.
Here is some reading its pretty dry.

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