After you file

So your extension payment isn't showing up on 1040 line 31 which comes from schedule 3 line 10?  Maybe you still owe more after paying the extension?

 

How to contact Turbo Tax
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991

What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632