all you can do is compare the 2022 and 2023 returns line for line. we can't see the return or the data used to prepare it so there can be numerous reasons. here are just a few
1) more income
2) less taxes paid in
3) errors in entry
4) changes in tax laws
5) Turbotax calculation error ( unlikely since there have not been numerous threads that wer would see if this was the issue)
6) combination of abobe
