You will receive the From 1099-R for the rollover from the 401(k) to the traditional IRA. Wait for it since it should now be in the mail.
Having a nonzero balance in traditional IRAs at the end of 2024 due to the rollover of the 401(k) has rendered your Roth conversion largely taxable, with a large portion of your basis in nondeductible traditional IRA contributions remaining with your traditional IRAs to be applied to future traditional IRA distributions. In addition to a substantial part of your Roth conversion being taxable, some portion of your $31,000 will be nontaxable in the same proportions as your Roth conversion.
Code Q reports a regular distribution from a Roth IRA. It has nothing to do with a distribution from any employer plan like a 403(b) or a traditional IRA. Perhaps you made a distribution from a Roth IRA in 2023 year and TurboTax transferred in the code-Q Form 1099-R in anticipation of you making a similar distribution in 2024. If you received no code-Q From 1099-R this year, delete the unnecessary Form 1099-R from TurboTax.
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