Only the IRS and your State control when and if a Federal or State tax refund is Approved and Issued.
Once a tax return has been Accepted by the IRS or a State, TurboTax receives no further information concerning the tax return or the status of any tax refund.
If accepted by the IRS use the federal tax refund website to check the refund status - https://www.irs.gov/refunds
What is the status of your federal tax refund on the IRS website?