I’ve already filed and received my money from taxes. I got the wrong credit for my dependent which was $500. I should have gotten the Child tax credit. How do I fix.

How old was your child in 12/31/23?  Had to be UNDER 17 on Dec 31.  Or you answered a question wrong.  Go back through My Info and edit the child.if you need to fix it you will need to do an amended return.

How to Amend this year

https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-federal-tax-return-current-year/L7eS6o1qh_US_en_US

How old was your dependent as of Dec 31, 2023?   To qualify, your child must meet all of these requirements:

• Be under age 17 at the end of the tax year
• Is your child, stepchild, foster child, adopted child, sibling, step sibling, half sibling, or a descendant of any of them (for example, a grandchild, niece, or nephew)
• Has their own Social Security number
  • Children with ITINs don't qualify, but may instead be eligible for the $500 Credit for Other Dependents
• Lived with you for more than half the year
• Didn't support themselves (didn't pay more than half their own expenses)
• Is a U.S. citizen, U.S. national, or U.S. resident alien
  • Residents of Canada or Mexico don't qualify