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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. F

    Def Gauge Not Registering

    Does anyone know how to resolve a DEF gauge reading zero and the resulting you have 300km left until derate? I have no check engine light. Is it possible to trick the computer into thinking it has DEF when the sending unit is not working. Is it possible that it is an up stream wiring problem...
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