JCB Unlock Code Calculator Online

Immobilizer functions for addition and deletion of Master and Machine Keypad Codes and Keys for JCB machines are restricted for security reasons. To calculate Challenge to Response value for Secuirity Unlock of Immobilizer function for JCB Service Master you need to enter 16 chars of Challenge value (dash or space separated).

Example of Challenge Value: 0123-4567-89AB-CDEF or 0123456789ABCDEF