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.

 

Instruction:

Open back cover of Chrysler remote key
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Remove remote key battery
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Connect test clips with MK3 and remote key
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Open MKII software
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Select Options tab->Programmers->PCF7941 Key Firmware Downloader
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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
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Press test transponder icon

MK3 will display remote type, ID data, encryption key

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Test radio key

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

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

MasterKey III will display radio data and information

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