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    ECM VATS Relearn:

    Made an attempt.. The battery is running low so I need to charge it seperately before I install my new ECM. When turned to on, the fuel gauage is not reading... and the security light does not remain on.. the battery light just flashes. Also Wait to Start does not display... This is obviously...
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    ECM VATS Relearn:

    Wait.. so this works on any "locked" ECM? Long story short... Tried using a 2nd-hand VIN-locked QS2 on my LB7. Didn't work. Accidently did the "Reset to Stock" option, which I believe flashed previous owners stock info onto my ECM. Truck would CRANK, but not start. Tried to load a new...