PCF79XX Adapter, plus VVDI PROG can’t read BMW F-Series Remote 434m-in-circuit. The chip is PCF7953.
Even desolder the chip to eeprom adapter, still not connected.
Here Xhorsevvdi engineer gives the
1)When desoldering the chip to eeprom adapter, try different positions
2)If still not connected, try with PCF79XX Adapter:
Remove the battery, exchange two soldering pins marked (red&black line) on PCB.
Any questions, contact us.