Choose which tool to unlock PCF7941, renew used remote key?

Programmeur De Calculateur Xhorse

Q: Which tool can I use to renew a second-hand used remote key? Especially to unlock PCF7941? Is there any cheaper tool in my budget?

A: Yes, obd2diy.fr engineers give you advice below. Hope it helps!

Which tool to unlock PCF7941, reset remote control?

  1. Xhorse VVDI PROG Programmer

VVDI PROG can read, write, unlock PCF7941 chip key, also many other chips are supported like PCF7953, PCF7937…


Already tested:

Opel Astra H PCF7941reset OK

Opel Insignia PCF7937 reset OK

BMW F series PCF7953 reset OK


Before VVDI PROG unlock PCFxx chip, chip status is “Locked”.


After VVDI PROG unlock PCFxx chip, chip status is “Unlocked”.


Note: This function need additional PCF79XX Adapter for VVDI PROG


  1. Orange 5 Programmer can unlock PCF7941 as well, but only for Chrysler, other car brands maybe not work.

Orange 5 can restore Chrysler remote key PCF7941 to factory settings.

Note: The PCF7941 adapter needed is already in this full package.