Your situation is too complicated to figure out in an online forum like this, where we can't actually see your tax returns or the IRS letters. You have to go to a local tax professional with your complete tax returns and the complete IRS letters for both years. You should also bring any other tax forms, such as W-2s and 1099-series forms. The tax professional will be able to figure out what the problem is and tell you how to correct it.
The tax professional will be able to determine whether there is a bug in TurboTax, but that's extremely unlikely. Almost all problems like this are caused by something being entered incorrectly. A tax professional will be able to figure it out.
