Site: PNC BankRETURN CODE: P90009999. Preventing log in on website and with third party apps Add new comment Comments Recieved this "RETURN CODE: P90009999" when trying to log into online banking of pnc website. is there a problem? When will this problem be fixed for business. Is the chat open for business?Thank you,Deborah Chenault 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 BU4kuH Enter the code above * Enter the code without spaces.