After you file

First you may have paid for audit protection but until you have the IRS notice in hand there is nothing to get help with yet.  

Next… TT is a DIY program who cannot intercede on your behalf even when you know what the issue is. This year it is probably the amount of stimulus payment you entered into the program which gave you an incorrect credit on line 30.  Go to the IRS Where’s My Refund? Tool to see what they can tell you now.