IRS guidelines and procedures applied the refund off-set. TurboTax is not privilege to your personal and confidential credit information and the IRS (nor any credit agencies) would ever disclose any refund off-set information to TurboTax.
See the IRS link below for more information on the IRS i refund off-set procedures. https://www.irs.gov/uac/tax-refund-offsets-pay-unpaid-debts
Check out items #4 and #5 to see if you can petition for financial relief from the IRS.