Error CP315 occurs when trying to update address information from an Xbox One console

You see the following error code and message when you try to update your Xbox Live account’s address information from your Xbox One console:

CP315

Your city, state, and postal code didn’t match. We’ll go back to where you can check and fix them.

This means that the city, state, and postal code that you entered don't match and are incorrect.

To resolve this problem, verify that the city, state, and postal information that you entered are correct. To verify (or change) the information, see Change your Xbox Live account information.

If you keep experiencing the problem, contact Xbox Support.