The IRS will not be accepting any type of 2017 tax return until January 29, 2018. Go to this IRS website for information - https://www.irs.gov/newsroom/2018-tax-filing-season-begins-jan-29-tax-returns-due-april-17-help-avai...
Tax returns cannot be e-filed using the TurboTax software until the forms and schedules included in the tax return have been finalized for filing. Click on Review for a list of forms and schedules included in the tax return and the dates available.
See this TurboTax support FAQ for IRS forms availability - https://ttlc.intuit.com/questions/1908854-irs-forms-availability-table-for-turbotax-individual-perso...
The IRS will hold all 2017 tax returns that have a tax refund which includes EIC and/or the Additional Child Tax Credit until mid-February 2018. The IRS will release the tax refunds in late February if there are no errors on the tax return.
