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International Automotive Technicians Network
Re: No Crank Communication Errors
Posted to HD/Fleet Forum on 4/29/2026

Phillip, I didn't watch your videos. I'll assume you checked the trans fuse in the underhood PDF. They are known for hairline cracks causing transmission (TCM) power issues. These suffer from wire harness chafing. (like everthing) Look carefully around the sta... Login to read more.