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Re: P0641 VREF 1 low
Posted to Technical Theory Forum on 8/2/2018 5 Replies

Basically, I knew that there would be codes for the affected circuits, but that didn't bother me. The vehicle would set various codes at various times, so I had a feeling the wiring was at fault. The issue was, how to isolate the wiring from the sensors...so, ... Login to read more.

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