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Re: Maxxforce DT combustion leak
Posted to HD/Fleet Forum on 4/6/2021

ECM won't throw any bigger fit than if a wire broke. Do you have a working copy of ServiceMaxx? That might get you in in J1939. SM came and went quickly, replaced by NEDs. As a dealer we never even got it that I can recall. Went right to NEDs. If you want NEDs... Login to read more.