my check engine light comes on and goes off. had it checked and getting code P0013 and P014. what are these codes?

What is your question?

I don't hear anything but the check engine light came on, the next day it went off and it's back on today.

What makes this problem better or worse?

I can't see any better or worse

How long has your 2015 Chevrolet Equinox had this problem?

a few days