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Re: Buzzing Noise and Missing something
Posted to HD/Fleet Forum on 5/6/2019 1 Reply

If you want to "nail" the problem causing the voltage codes then you'll have to scope powers & grounds at the ecm & idm. I had a slightly older BE series school bus with the 6.0L that has the same ecm/idm codes with loss of performance/shutdown(plus the some i... Login to read more.

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