TurboTax only has the information that you give it.
What exactally did the IRS change? Did you forget to enter income? Did you owe back taxes?
Nobody here can see your tax return or know what the IRS changed. The letter should tell you (and the IRS does make mistakes that can be disputed.)
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
