If you have not filed your tax return, please use the steps below to edit your information.
Log into TurboTax Online Click the box Take Me to My Return Select Pick up where I left off Select File towards the upper right side of your screenThere will be 3 steps to file your return. In Step 2 , click "Revisit" in blue and it will take you to where you can change your bank details.
If you have already submitted your tax return and the IRS has accepted it, there is no way to change your refund method or direct deposit information. Once the IRS submits your direct deposit and it is rejected for the wrong routing number the IRS will mail you a refund check to the address on your return