The Estimated tax penalty on Line 38 of the Form 1040 is added to the amount of taxes owed or it will reduce the amount of your federal tax refund.
TurboTax does not pay for your Estimated Tax Penalty.
Go to this IRS website for the Estimated Tax Penalty information - https://www.irs.gov/payments/underpayment-of-estimated-tax-by-individuals-penalty
