According to the manual, front filter every 15,000 and rear every 30,000.
Personally I change my front at every oil change which I do at 10,000 miles or 1 year.
The rear I change out every other oil change which would be at the 20,000 mile mark.
Do you idle excessively?
Did you reset it to 100% the last time you changed the filters?
2016 Ram Laramie 3500 (DRD), G56, 6.7, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!
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