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Re: Dreaded Electrical Fault
Posted to HD/Fleet Forum on 8/14/2020 3 Replies

Welcome to CAN Bus troubles, CAN: Computer Area Network. The days of one computer are long gone in modern production.

You need to use a scope with back probes and back probe the TCM CAN HI and CAN LO signals. ( from my experience, they are usually a twisted ... Login to read more.

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