Check to see if you put in the wrong DD info ... if you did mess up the IRS will be sending you a bill shortly ... follow the notice instructions to pay the debt.
How do I review the method I chose
to pay my federal income tax with, after filing with TurboTax Online?
You
can verify the tax payment method you chose on the Electronic
Filing Instructions for your 2018 Federal Tax Return page, next to
Balance Due/Refund. To see the page, follow these instructions:
1. Open your return if it’s not already open.
2. On the [Your name], your 2018 federal return was
accepted! screen, scroll down and select Add
a State (don’t worry, we’re not adding a state) to access
your tax forms and worksheets.
3. On the left side select Tax
Tools then Print Center.
4. On the TurboTax Print Center screen,
select Print, save or preview this year’s return.
5. On the next TurboTax Print Center screen,
select 2018 federal returns and Include
government and TurboTax worksheets (optional) then
select View or print forms.
6. The information will be on the first page, Electronic
Filing Instructions for your 2018 Federal Tax Return next to
Balance Due/Refund.