They are going to tell you the injectors need to be replaced and it's going to cost you 6 grand.
The ECM is recognizing a a fuel system problem. Mostly a high return rate that triggers the code. It could be the injectors are worn, the connector tubes are leaking and bypassing fuel or some other injector related problem. It's a new Chrysler software update that they are trying to give the end user a notification that there is a problem.
Your best bet is to get it away from the dealer as fast as you can.
There are plenty of threads on this subject.
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