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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. K

    EGR vs SCR! Can you keep it clean?

    So, recently I visited a friend from Europe and told him all my problems about the EGR, DPF, DEF, SCR, etc...on my dodge truck. I want to delete them but I'm also commercial and the Green Peace Police is all over the place here. Anyway, back to my friend. He has an engineering & chemistry...
  2. K

    Help! P003A code. Exhaust brake no longer works.

    No DEF codes at all. Had a "200 Miles warning" but was clear after the DPF cleaning. Turbo seems full of soot. I may delete the EGR system to check some codes out.
  3. K

    Help! P003A code. Exhaust brake no longer works.

    So, there is not a lot of info regarding this code. I had a plan on what to check and do to rule-out other less expensive causes. 1. I have check all 5 fuses/relays. I found one with severe amount of corrosion but that didn't change anything. *Exhaust Brake is not working. 2. Next, I...
  4. K

    Help! P003A code. Exhaust brake no longer works.

    I have check the DEF level. Had it tested to get the 32.5% urea. Had about 31.9% on my tank. Also, that's not the problem I'm trying to solve.
  5. K

    Help! P003A code. Exhaust brake no longer works.

    That's the same website my clueless mechanic was reading when the code came up. Thanks for trying...
  6. K

    Help! P003A code. Exhaust brake no longer works.

    Hello! I'm new here so thanks for understanding. So, about a week ago I got my truck (2011 RAM 5500 6.7 Cummins C&C) into the shop for a "Service DEF system will not start in 200 miles" warning. Before my mechanic and I did anything to the truck. He used a Snap-on scanning tool and Code P003A...
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