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International Automotive Technicians Network
Re: ACM not communicating on J1939
Posted to HD/Fleet Forum on 8/29/2018

Joshua, will go back over that but we have been there. My tech and I believe there is a bug in the program to the specific VIN. Across three different ECMs we have the problem of the ECM losing its miles, hours, fuel, VIN and ESN even on the bench. We are buri... Login to read more.