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EcoDiesel Check Engine Light

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68K views 37 replies 20 participants last post by  sfarw  
Hey all,

I have a 2015 EcoDiesel with just over 16K miles. Today the check engine light turned on, pulled the code and it came up as P20C2. Did some google searching and can't find much about that code. I cleared the code and we went on our way and drove about 100 miles and it turned back on this time with a different code, P0171 - (System to lean Bank 1).

Thoughts anyone? I plan to take it to the dealer but I'd rather have a little knowledge about a possible issue with the code P20C2. New to me.
 
Might be taken care of by latest TSB dated 11/25/15:

http://www.wk2jeeps.com/tsb/tsb_wk2_1809515.pdf
Thanks for the heads up. I took that TSB in with me. They gladly set it aside and said they'd have their technician do the testing. Long story short they updated the PCM with two RRT. I have the paperwork in the Jeep, but haven't had time to review what those RRTs were.
 
So I picked up the jeep on Wednesday after they did two RRTs on it.
18-19-12-9C
18-19-04-DV
Nothing actually done but updates. Now today, Sunday, I'm on my way to CO springs and the light kicks back on. Two codes
P1296
P026C

Confirmation that they didn't clean the sensor. Debating taking it to a dealer herein CO springs or waiting until I get back.