Response Code
76 — Invalid Old PIN
ISO 8583 Response Code 76
Meaning: Invalid Old PIN
Action / Description
Mastercard: Previous PIN incorrect during PIN change transaction. Cardholder should retry.
Decode and Verify ISO 8583 & EMV Transactions
Use IsoFluent's suite of 100% client-side tools to parse full message logs and decode complex TVR/TSI values instantly.