How to Update Yanhua ACDP2 PCF-Key Adapter Firmware?

 Problem:

Making dealer key for VW with Yanhua ACDP2 module 33 on bench and it says this when i put key into pcf key adapter.

Error “PCF-Key Adapter version is low”.

Where I have to update the adapter firmware?

Solution:

Go to Special Function.

Hit Adapter Upgrade.

Select PCF-KEY Upgrade.

Connect PCF-KEY Adapter with ACDP2 and update adapter firmware.

http://blog.obdii365.com/2024/12/18/yanhua-acdp2-pcf-key-adapter-version-is-low-solution/