To change your IP PIN answers in TurboTax Online, follow these steps:
1. Select Federal from the left-hand menu.
2. Select Other Tax Situations, then Identity Protection PINs
3. If you said no originally, on the screen that asks if anyone on this return was assigned an IP PIN, select Yes, then continue to see the list of people in your return, then edit the information as needed.
6. If you said yes originally, you'll see a screen with all of the names of people in your tax family. Click Add, Edit, or delete next to the name of the person whose PIN information you'd like to change and continue to update.