If you are unable to login to your TurboTax account, you may find instructions on regaining access in the FAQ: Account Recovery Request for your TurboTax Account https://ttlc.intuit.com/replies/3300098
We are unable to access your account on this public form. If your account is locked you will need to follow the account recovery steps as mentioned by @rt75624.
Please see this for more information: https://ttlc.intuit.com/community/account-recovery/help/account-recovery-request-for-your-turbotax-a...
If you exceed the number of sign in attempts you will get locked out of your TurboTax Online account. You can try to sign in again after 15 minutes.
If you've forgotten your User ID or password try our account recovery process.
If you no longer have access to your email address or phone number and can't access your account, fill out the form on the following page to perform an account recovery request for your TurboTax account: Account Recovery Request for your TurboTax Account.