Replaced the transmission and now car won't start
I highly doubt the powertrain control module (PCM) (also known as the ECU (https://www.yourmechanic.com/article/what-is-a-vehicle-s-electrical-control-unit)) is bad. Code P025A indicates a problem with a faulty fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) or its circuit, which could definitely be causing the problems you are having....