allen in AK
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- Jan 17, 2026
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Hello I'm new to forums in general so apologies if I bypass any protocols.
I live in Alaska and in the last 8 weeks we have not gotten warmer than -20f. 2 days ago it was 28f and yesterday it was 41f. In Ak we put heating pads on our oil Pan, and transmission Pan. We also have trickke chargers for our batteries. I've had my truck plugged in 95% of time these past few weeks. My def tank seemed to be "stuck" at about half tank. A few weeks ago before I used my truck I got a code p2453. I put a torpedo heater directing the heat under my truck around the area I thought was the dpf filter. It was on for about 4 hours and a lot of snow/ice came off from the undercarriage. The code seem to go away. Yesterday I was going to town to buy a generator which is a necessity for us living off grid. After about 15 miles I noticed my def Gauge dropped down to a hair above the red. Further down the road I got the message service def see dealer and a while later in x miles I go into limp mode. It's around 46 miles to town. I went to a mechanic shop. He used his code reader and he said the codes were stored and none were active. I started the truck and the Mil was off. I then bought my generator then to fuel station to fuel up and buy def. I added the def and it went up just over half. Driving back home the Mil light came back on and 123 miles before limp mode. I was about half way back when the light came on. I made it home and have 75 miles before limp mode. The stealership is 145 miles away. I have a p1c54 and p2453 code. I did own a 17 Ram 2500 which I deleted in 2020 and after it was deleted had no codes what so ever. In sep 25 it was totaled after hitting a moose. So I'm rusty with all the emissions stuff. Is there something I can do like removing the sensor and doing resistance check?
I live in Alaska and in the last 8 weeks we have not gotten warmer than -20f. 2 days ago it was 28f and yesterday it was 41f. In Ak we put heating pads on our oil Pan, and transmission Pan. We also have trickke chargers for our batteries. I've had my truck plugged in 95% of time these past few weeks. My def tank seemed to be "stuck" at about half tank. A few weeks ago before I used my truck I got a code p2453. I put a torpedo heater directing the heat under my truck around the area I thought was the dpf filter. It was on for about 4 hours and a lot of snow/ice came off from the undercarriage. The code seem to go away. Yesterday I was going to town to buy a generator which is a necessity for us living off grid. After about 15 miles I noticed my def Gauge dropped down to a hair above the red. Further down the road I got the message service def see dealer and a while later in x miles I go into limp mode. It's around 46 miles to town. I went to a mechanic shop. He used his code reader and he said the codes were stored and none were active. I started the truck and the Mil was off. I then bought my generator then to fuel station to fuel up and buy def. I added the def and it went up just over half. Driving back home the Mil light came back on and 123 miles before limp mode. I was about half way back when the light came on. I made it home and have 75 miles before limp mode. The stealership is 145 miles away. I have a p1c54 and p2453 code. I did own a 17 Ram 2500 which I deleted in 2020 and after it was deleted had no codes what so ever. In sep 25 it was totaled after hitting a moose. So I'm rusty with all the emissions stuff. Is there something I can do like removing the sensor and doing resistance check?
