If
you have not yet e-filed your tax return, then:
Sign
into your account, click take me to my return
2.
Click the File heading
3.
Complete the information in Step 1
4.
Step 2, this is where the bank account information will be. Follow the
prompts to edit your bank account information.
Please
see the following TurboTax FAQ if your bank account information transferred
in from last year and you are having trouble changing it:
https://ttlc.intuit.com/replies/5619072
Unfortunately,
if you have already e-filed your return, then you will have to wait to
see if your return is accepted or rejected:
https://ttlc.intuit.com/replies/3302459