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  1. Ecodiesel Check Engine Light P20EE and P1288

    Grand Cherokee Diesel Discussions
    I have a 2015 Jeep Ecodiesel I've had new since 10/16. Just under 25000 miles. Had my first CEL in January. It was P2BA9 (bad def detected). It was -25f that week, and I was making small trips. It cleared up on it own. Today I was about 55 miles from home and P20EE came in, then shortly after a...
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