If your Yanhua ACDP2 Module 33 fails to learn key or appear key learning error for VW MQB48, you need to update the PCF Key Adapter to solve this problem.
PCF Key Adapter Update Guide:
Open Mini ACDP APP, make sure your ACDP/ACDP2 is bound to the APP
Select Special Function>> Adapter Upgrade>> Help (in PCF-KEY Upgrade option)
Follow the connection diagram to connect the PCF-Key Adapter and Mini ACDP-1/ACDP-2
Select PCF-KEY Upgrade
Use the ACDP standard power adapter (voltage+ 12V, current>=2.5A)
Load hardware program
Confirm the PCF-Key Adapter has been connected to Yanhua ACDP successfully
Check the current version and the latest version number
Confirm to update to the latest version
Upgrading adapter…wait a moment till the upgrade process is completed
Remember the operation log path
Done!
