ignition wont work after replacing battery

What is your question?

battery out of rig for one day. put fully charged one back in an its like im not in park when i engage starter. got all the bells an lights but no grind.. it started every time till i took battery out an its the same one. i replaced water pump is all i did thats different .does the pcm needs to reset its self but is that done with car running or just ignition being on . an for how log?