Not for a prior year. You can only efile 2024 returns. For 2023 or prior you will have to print and mail it. What do you mean you just filed it? Did you mail it and the IRS sent it back?
How to finish a return you started online
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-finish-a-prior-year-return-that-i-...
Which pin do you need to enter? There are two separate PIN numbers that may be on your tax return. If your PIN has six digits, it's an IP PIN. Here's where to enter it:
1. Sign in to TurboTax Online.
2. Select Other Tax Situations.
3. Select Start or Update to the right of Identity Protection PIN.
4. Answer the first question Yes.
5. Select Add to the right of your name.
6. Enter the number on the next screen.
7. Continue your tax return.