TurboTax has a special phone number for help with IRS
tax letters, which will be easier than going through regular Customer
Support. At the page below, click on the blue button that says
"Get Help from TurboTax Support". Then it will ask you
what tax year is your letter. Then it will ask you what the letter
concerns. Then it will show you the phone number during posted business hours.
https://support.turbotax.intuit.com/irs-notice/audit-support/
