Since most years' tax returns are "self-contained", there are only a few items that transfer that you'd need to update. Most often adjustments made by the IRS don't change the subsequent year's return. That would depend on your individual tax situation.
The TurboTax FAQ below addresses the issue, however, if there are transferred values that you need to edit. You can make changes as you go through your interview.
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-update-or-delete-info-from-last-year-...
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*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***