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I don't thing the def has gotten to the recall point. Then a bunch of bad steering gear boxes had brittle shafts. (A recall on a recall insued that took years for sure t get service, The recalls are over a steering component recall that was a failure Tony owners the place, (ram) and they buy the engines from cummins I don't know how that can be true since mine hasn't been working for the last six months or so, and it's running just fine other than the check engine light being on. Somebody told me (I don't know if it's true or not), that you can't disable or remove the DEF system because the truck won't run without it. Or I'd like to find a way to get rid of the entire system and still be able to pass emissions. I've even contacted the Cummins company, and they told me that they can't touch it while it's under warranty, and even when the warranty has expired there are only a few things that they are allowed to work on for some reason. Truck has less than 30K on the clock and I've been having problems with it from day one. The last dealership I went to told me that there must have been a foreign substance in the DEF tank which caused it to stop working, and they told me I should replace the entire DEF system to the tune of 5,500 bucks! They don't want to warranty it. I sure wish I could find a way to get them to either buy mine back or get a decent deal on a new model.