No crank no start

[G-840987]

I have a 2005 pontiac grand am. It was driving perfectly in the morning, by the afternoon it wouldn't start at all. There is no sound when I turn the key. Ive checked the fuses, ive checked my battery, my starter is fine, I can't seem to diagnose the problem.

Obd codes
P0230
P1626
U1000
U1064

 

[melsg5]

What is the battery voltage?