Same to my case, IRS received and confirmed via TurboTax, Text and Email on 29th March 2020 for my 2019 tax return but nothing showed on online, refund status, ...
It did not work for my case in 2020 tax return because it also checked the pin number. I am not sure if I have to mail my tax return for 2019 and 2020....
It happened to me as well. My 2019 tax return was submitted via TurboTax EFile on 29-March-2020 and got a confirmation via TurboTax (Accepted) and Text and Emai...