If your return has already been submitted and accepted, you will need to amend the return to fix any issues. If it is pending and ends up being rejected, you will be given the opportunity to fix the errors. Please refer below to the TurboTax FAQ for amending returns.
https://ttlc.intuit.com/replies/3318732
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"