Once your return is accepted, you can't change any of the
payments details, but, you can cancel the electronic withdrawal payment
and use another payment method.
You can call IRS e-file Payment Services anytime at 1-888-353-4537, 7
to 10 days after your return was accepted to cancel your
payment.
You must cancel your payment 2 business days prior to the
scheduled payment date.
Check out "Cancellations, Errors and Questions"
from IRS link below "Pay Taxes by Electronic Funds Withdrawal"
https://www.irs.gov/uac/pay-taxes-by-electronic-funds-withdrawal#errors
You can also pay your taxes electronically after e-filing
using this IRS link: https://www.irs.gov/payments
