Why did my taxes get reduced

[Haleychat89]

Why did my taxes get reduced and I did not receive a letter

[ee-ea]

See this info

Topic No. 203 Reduced Refund | Internal Revenue Service

Why is my direct-deposited refund or check lower than the amount in TurboTax?

Why is My Tax Refund Not What I Expected?

[SweetieJean]

It can take 2-6 weeks for the letter to arrive from the IRS.  TT is not notified.