Sorry you can’t change it after you file. If the bank rejects the deposit the IRS will mail a check to the address on your return.
It's too late to change how your refund is received since you already e-filed it. Refer to the TurboTax Help article How do I change my refund method?
Refer to the IRS FAQ What should I do if I entered an incorrect routing or account number for direct deposit of my refund? for possible solutions.