User Manual

www.abrites.com
32
2021
Abrites TAG Key Tool User Manual
9. CAS4 by dump
In order to prepare a CAS 4 key by dump you need to:
▯▯ Read the XEP100 MCU’s EEPROM and save it to a file.
▯▯ Load the file into the TAG key tool and select the correct key position.
▯▯ Use PCF7939 transponder or a new remote key.
▯▯ Prepare the key.
▯▯ You will be asked to either read the working key or enter the DME/DDE ISN. Please use the checkbox
option according to the situation (Working key or DME/DDE ISN). Once the option is chosen, please
use the “Prepare Key” button to prepare the key for programming.