Can't sign up for major courses before transferring

I am in the process of signing up for two psychology courses that are required for Cognitive Science at UCSD, but I can’t sign up because of an issue regarding prerequisite clearance so I have to wait a week or so to get things sorted out. I’m deadset on computer science at UCI through TAG and they do not require these classes, but I put on my UC TAP that I’d take these classes in the spring. How much of an affect does it have on me if when I were to update my courses in January that I did not take these two courses at all? I did not submit my UC Application, but I don’t know how it will affect my TAG if I were to have my predicted classes for next semester on my application be different from what I have on my TAP that I submitted for TAG.

The reason why I’m asking this is because I’m not so sure if I want to take the classes, but I already have my TAG submitted with these classes that I predicted I would take next semester.

It won’t affect the TAG, but why not wait a week to submit application when you know?

Otherwise update in January.