this is a public forum, we can do nothing.
Turbotax merely provides a means to prepare your return and file it, it can do nothing
the IRS is in full control of your refund. evidently, it found or thinks it found errors and so reduced your refund.
when you get the notice, there should be info on how to refute the IRS changes.
calling the IRS is a waste of time, even if they told you the reason, any objection would likely have to be submitted in writing with proof.
