You might want to investigate and see if the letter you received from AZDOR was correct in what they changed on the AZ return causing state income taxes to be owed.
Both the IRS and the States say there was calculation error whenever they change a tax return.
See this TurboTax support FAQ for Audit Support Center assistance - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-audit/turbotax-audit-support/L6AcMoN...
See this TurboTax support FAQ for the 100% Accurate Calculation Guarantee - https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/turbotax-100-accurate...
How to submit a claim - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/submit-claim-turb...
Documents needed - https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-product-orders/documents-need-sub...
