Ram 2500 Service Def System See Dealer - On july 3rd, 2025 while coming back from a short drive in my 2025 ram 2500, with the 6. 7 cummins that has 180k miles on the clock, i got a message in the evic saying service def. I have a 2025 ram 2500 with 24k miles that i just bought. Had the def system message come up with a check engine light. My def gauge was at half tank. 2025 ram 2500 6. 7l bighorn 26,000 miles. In march 2023, ram released service bulletin zdf for โservice def (diesel exhaust fluid) system see the dealerโ. It affects approximately 62,000 vehicles in these. Had run the def down low, was at about 100 miles until 5 mph, when it started dinging every 5 miles and the see dealer message kept popping back up, then at about 80.
On july 3rd, 2025 while coming back from a short drive in my 2025 ram 2500, with the 6. 7 cummins that has 180k miles on the clock, i got a message in the evic saying service def. I have a 2025 ram 2500 with 24k miles that i just bought. Had the def system message come up with a check engine light. My def gauge was at half tank. 2025 ram 2500 6. 7l bighorn 26,000 miles.