My nae is Jeremy and I will assist you.
That code means the Keep Alive Memory Voltage is Too Low.
The part of the PCM that gets the power to the KAM is below 10.5 volts. There could be a harness issue, battery cable issue, or the PCM itself. Look on the batteries on the passenger side. You will have a small red wire that comes off of it. Check that wire and follow to the fuse link. See if it is tripped. It powers the PCM. With good battery voltage, the harness might be at fault.
Good thing is your PCM is right on top of the engine and pretty easy to access. I would unplug the 3 plugs and check for corrosion and the wires going those plugs. Plug back in and see if the issue remains. If it does, then test the PCM for internal failure.
I wish it was an easy fix for you, but this one doesn't look like it will be.
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