What was the issue you fixed? You just changed the original, right? You don’t do an Amended return to fix a rejected return. If you used the online version you had to fix it before Oct 20 or you now have to download the .tax2017 data file and fix it using the Desktop program.
Efiling is now closed for 2017 so you can’t resubmit it. You have to print and mail it now as answered below.
To access your prior year tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/
Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show. Click on the Year and Click on Download/print return (PDF)
A 2017 tax return can only be printed and mailed, it cannot be e-filed.
Print, sign, date and mail the tax return to the IRS. Include with the mailed return any forms W-2 and 1099 which have taxes withheld. Go to this IRS website for mailing addresses - https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment
There are no penalties for filing a tax return after the due date if filing for a tax refund or there are no taxes owed.