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International Automotive Technicians Network
Re: No Eng message in cluster
Posted to HD/Fleet Forum on 7/2/2019

I'm pretty sure what's happening, but I don't know why. When you key on the vehicle, the ICU goes out and searches for all the ECU's on the vehicle. For some reason the engine ECU is not responding and not broadcasting J1939 data. That's why the gauges do not ... Login to read more.