Flashed my truck back to stock with my SPADE from DT disconnected my batteries to trouble shoot and ohm wiring for a p0193 & 192 code I had. Found rail pressure sensor bad, replaced. Code cleared truck runs great. Went to reflash and keep gettin$0534 bad SN. plugged into laptop and vin for pcm says n/a but shows vin for tcm. Also says ????????????On auto cal in pcm vin disconnecting batteries shouldn't have cleared vin? Please help
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