No, you do not need to amend your 2024 return if you did not report the non-deductible Traditional IRA contribution, but you do need to file Form 8606 for that contribution.
Take a look at the information in the following TurboTax help article. Near the bottom of the article there is a section for instructions about what to do in your situation with regard to Form 8606.
How do I enter a backdoor Roth IRA conversion?
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"