Prius let the smoke out and now no crank no start

Hey, was delivering pizza on the prius and then I smelled a strong smell of plastic, then I had the engine trouble like, I quickly pulled over and shut the car off to prevent catastrophic damage.

Now the car won't turn on, it won't go into neutral, the dash lights come on, and when the car attempts to get into ready mode, the five boxes for shifting flash and the car dies, I can't connect to read the codes because it says no ecu connection.

All the fuses in the fuse box and the thin fuse box show connectivity.

Any ideas what it could be? Or what to do next?

I saw someone has a similar problem with their coolant pump letting the smoke out and failing but my coolant pump works when I turned it on from the relay port

 

Edit, it looks like am2 fuse is blown, idk how the multimeter gave me a beep, but it's clearly fried. I put a new fuse and I got the car into neutral.

Uhh, the engine water pump looked like it worked, but the inverter pump is shorted? I can't even tell the difference between the two pumps. And when I search for an engine pump online so I can see what it is and differentiate it from the engine pump, the inverter pump comes up in the search results

 

Edit. So the inverter pump is sized, I put 12v on it and it made clunks but I didn't hear it rotating. Hopefully a new one will not be expansive. I'll be super upset because from the initial glance, it looks like a simple dc 12 volts water pump with 1.25 inch entrance and exist ports, pumps like this go on ebay for 10 bucks

 

And the pump only has two terminals, no signal terminals or anything