2019 Ram Cummins 6.7 45000 miles DPF replaced under warranty, now 56000 miles DPF gauge says filter full take to dealer I leave on DPF gauge regens about every 300 miles I always take pictures when on regen I was half way thru a regen when DPF full popped up I have appointment to take truck in but not driving anybody else having these issues or is this normal I take trips pull camper and drive in town ,thanks !