P204F / P20C2 / P20E9 MIL flash update - Jeep Garage - Jeep Forum

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Old 03-17-2015, 12:39 PM
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P204F / P20C2 / P20E9 MIL flash update

I experienced a single instance of a "Service DEF - See Dealer" that turned out to be thrown by codes P204F / P20E9 on my 2014 EcoDiesel. I cleared the codes, drove 30 minutes to clear the emissions condition, and the problem has never recurred.

However, approximately six months later a flash fix has been released as an RRT:
RRT 14-107/TSB 18-023-15

Just wanted to record this for anyone else who experiences these codes.

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