Confusing codes help, no start (U0100,u0111,p0af0, p3000,p3004,p0420)

So one of my 2005 Pri has 299,999+ miles (fun fact, it was formerly Rodney Kings daughter’s car) and I drove it from Colorado to Arizona and back. It made it but just barely. The day I returned, it started stalled out n then not starting.
p3190 p3191 p0420 p0a0f

Then I thought I fixed it. Cleaned the mass airflow, throttle body , fuel injector cleaner, maybe added oil).

then it started throwing p0a0f again. So I pulled the hv battery to work on it.
Now I’m getting different codes every time I swap out a battery, even using a known good battery from Toyota. It’s getting really confusing w all these different codes. What is this pointing to?
I’ve always had a p0420

Had: p3190, p3191, p0a0f
Stalled out while driving, Wouldn’t go into ready at all. One click from relays in the back.
Thought I fixed it, then a week later p0a0f came back . Car “limped home”, removed hv battery.
Then
U0100, U0111, p0a0f
Car would flash ready light 2 or 3 times then go away, the typical three clicks from relays in the back go off as normal. Except if I try to start a 2nd time quickly, the last click is really slow and delayed, then ready light goes away, no start.

Cleared those, swapped battery w a known hood Toyota battery, then ready light comes on, car drives, but obd2 scanner shows no data for the hv battery, so I just moved it over a spot.
Then I put that good battery back In other car.

Just put in another (maybe poorly reconditioned) hv battery.
Now.
P3000, P3004, p0a0f
Back to 3 clicks, flashing ready light that goes away, doesn’t drive

It seems like no matter what I fix every time it’s some new code.but it sounds like a wiring/relay/fuse is not allowing communication with the hv battery. Is this correct thinking?

 

No techstream, just shitty little obd2 scanner and app I’ve tried before but getting a windows laptop with the right year OS and correct techstream version and the minivlc, something would always go wrong.

 

But I just read that dr Prius can read sub codes?! Is this true? If so, how?

and what do you make of the U codes. I’ve never seen that before in my life.

 

That is correct, i was misled. But i currently have an old surface pro with Windows 8.1 i think. Just reordered mini VLC so ill take another shot at installing and running techstream. It is long over due anyway

 

posted once, with a link to this one post in different places. I figured this is proper when referring to this post. Posting three different times would not be.

 

I have referenced this post in other posts that have the same issue using a hyperlink. Is this too frowned upon?

 

How the hell does this end up being the topic of my troubleshooting post?

 

Just to redirect any attention, getting codes P3000 and P3004 P0A0F, 3 relays clicks, Ready light flashes but then turns off. No start. Also no spark from jump points under the hood (i swear somehow that is significant).