Just installed a rebuilt ecm/tcm. Battery drained down overnight. Charged it up and cranked it and the gages didn't work. Checked ohm draw on positive battery cable and I get 12.5 ohm draw. Checked the relays by pulling them and the draw was the same. However, after removing one and plugging it back in the gages all started working. Engine light came on and the above codes appear. Is it possible that this circuit is where the draw down is occurring?
Mon, 06 Mar 2023 19:56:44 +0000---------------------------------------------------------------------------
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