HOW TO CHANGE OR ENTER BANKING INFORMATION FOR REFUND
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-refund/change-transferred-direct-deposit-information/L77NCbU6D_US_en_US?uid=m6tuh572
You cannot change banking information while your return is in pending, nor can you change it after the return is accepted. The IRS does not allow it.
You can change your bank when you go to file your return.
The bank information is included in the interview.