Vantiv Lowell Account Updater Response Codes:

Transaction Responses

Code	Message	UniPay Code
504	Contact the cardholder for updated information	CC
505	No match found	NN
501	The account was closed	NN
500	The account number was changed	UA
502	The expiration date was changed	UE
506	No changes found	UN
191	The merchant is not registered in the update program.	XX
320	Invalid Expiration Date	XX
301	Invalid Account Number	XX
XX	Default or no response received.	XX
503	The issuing bank does not participate in the update program	XX