If the return is accepted you will have to amend your original tax return. An amended return, Form 1040-X, can only be printed and mailed to the IRS if the original tax return was not e-filed. The IRS will take up to 20 weeks or longer to process an amended tax return.
Before starting to amend the tax return, wait for the tax refund to be received or the taxes due to be paid and processed by the IRS.
See this TurboTax support FAQ for amending a tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-change-correct-return-already-filed/L4VjJ9BA2_US_en_US?uid=ld1n99kr
Yes, you can amend your 2023 tax return that was prepared in TurboTax.
The first step is to wait until your original return is fully processed. That means waiting until you get you refund, or at least 21 days if you owed.
Once you are ready to do the amendment:
If you file a state return, you can continue into your state after your federal return is complete.