If you did not print and mail the amended tax return, Form 1040X, to the IRS then nothing was sent.
You cannot amend a tax return merely by changing the information in the tax return that was filed.
If you need to correct a tax return that has been filed and accepted by the IRS, then remove All and Any changes you made to the original tax return.
Wait for the tax refund to be received or the taxes owed and paid to be processed by the IRS.
Then you can start the amendment process by using the procedure shown in this TurboTax support FAQ - https://ttlc.intuit.com/questions/4252204
An amended tax return, Form 1040X, can only be printed, signed, dated and mailed by you to the IRS, it cannot be e-filed. The IRS will take from 3 to 4 months to process the amended tax return.
Check the status of a mailed amended tax return 3 weeks after mailing at this IRS website - https://www.irs.gov/filing/wheres-my-amended-return
