Site: PNC BankCan't pay credit card Add new comment Comments I'm trying to pay my credit card but am unable to. I see the "RETURN CODE: P12181018" error on Mobile Banking. reply RETURN CODE:P12181018/06/10/2022. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted h7VhzF Enter the code above * Enter the code without spaces.