If you have not yet filed the 2023 tax return, then click on Federal on the left side of the online program screen and click on Wages & Income. Go to the section where you need to make corrections to the EIN.
If you have filed the 2023 return, then you will have to amend the return to make any corrections.
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 current year tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-federal-tax-return-curr...