Us guys nor TurboTax can submit your return.  If you e-filed you needed to go all the way to the end & click on Transmit Return Now.   If you e-filed you can check your e-file status, it will state whether your return was accepted, rejected, or not return filed.

How do I check my e-file status?

https://ttlc.intuit.com/community/return-status/help/how-do-i-check-my-e-file-status/00/25538

If you mailed in your return:

The IRS is not processing mailed in returns right now.  The following is from the IRS:

The IRS is not currently able to process individual paper tax returns. If you already have filed via paper but it has not yet been processed, do not file a second tax return or write to the IRS to inquire about the status of your return or your economic impact payment. Paper returns will be processed  once processing centers are able to reopen.