Once a tax return has been Accepted by the IRS or a State, TurboTax does not receive any further information concerning the tax return or any tax refund. TurboTax cannot contact the IRS on your behalf.
See this IRS website for federal tax refund FAQ's - https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions
If over 21 days since being Accepted by the IRS and the tax refund is still Processing you can call the IRS and speak with an IRS agent concerning your tax refund.
Call the IRS: 1-800-829-1040 hours 7 AM - 7 PM local time Monday-Friday