Only the IRS can tell you why they are mailing a check instead of making a direct deposit. TurboTax gets no information from the IRS after you file your tax return. Watch your mailbox and be glad that your return has been processed so quickly and that your refund is on the way.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**