Can't get rid of code 45

[randomguy]

You losing any coolant?

 

[supermailman]

Not sure. This trunk hasn't been driven for quite a while since it only has first and reverse. I've only had it a few months. I just start it up and run it every day or so as I'm messing with it. I don't remember seeing anything out of the ordinary on the plugs when I changed them though.