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Ding my Display comes on say's Catalyst filter full.

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I have a 07,6.7,6 speed 3500 Cummings,i have the S-JR-67,I have the setting on 2 for towing,ive had this for a couple of years never changed any thing or retuned it.Everything works great until the other day my overhead dinged and the light said my Catalyst filter was full,thing is I don't have one,then I loose power and runs like crap.i pull over, reboot it and I would go for like 5 sometimes 20 miles it would do it again.The check engine light does not come on,ive done a full service on it changed my filters cleaned the battery post put heat in the tank thinking I had maybe got a shot of water and its still doing it,any suggestion?

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