CN900 car key Programmer is new 4C / 4D / 46 / 48 Transponder Programmer with PC software, CN900 Transponder programmer can save the read key code data unlimited, read EEPROM and special transponder, like Mercedes-Benz W140 transponder chip. Here, vipprogrammer.com show the picture instruction on writing Benz W140 Transponder chip using CN900 programmer, and copying PCF7935 chip by CN900 programmer.
Instructions:
Select chip type: 44 Philips CRYPTO

Mercedes Benz C.E master transponder key programming
Click “CALCULATE”

Select key number, tick OK

Click on “PIN CALCULATE” button

W140 chip has been successfully read and written

Instructions:
Select chip type: 44 Philips CRYPTO

Mercedes Benz C.E master transponder key programming
Click “CALCULATE”

Select key number, tick OK

Click on “PIN CALCULATE” button

W140 chip has been successfully read and written

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