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Unlock PCF7941 in Chrysler remote key by MasterKey III


Unlock PCF7941 in Chrysler remote key by MasterKey III


PAM MasterKeyIII MK3 key programmer is a good device to unlock PCF7941 in Chrysler remote keys and fobiks. Here is the tutorial on MKIII Chrysler M3N5WY783X key upload firmware.



Open back cover of Chrysler remote key
Remove remote key battery
Connect test clips with MK3 and remote key

Open MKII software

Select Options tab->Programmers->PCF7941 Key Firmware Downloader

Select firmware: M3N5WY783X (fob)-Chrysler/Jeep/Dodge, and press on key icon marked red circle picture below

Press OK

Remove test flips from remote key

Install the battery back to the remote

Place remote key on the MKIII main unit to test transponder

Press test transponder icon

MK3 will display remote type, ID data, encryption key


Test radio key

Open MK IIIsoftware, Select Option tab->Radio Key Scanner


Select Key FCC ID: M3N5WY783X (fobik)-Chrysler/Jeep/Dodge

Click on Scan

MasterKey III will display radio data and information


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