There was something wrong with the Yanhua Mini ACDP Bluetooth connection on Windows 10 operating system. When configuring WiFi setting of the Bluetooth adapter, ACDP reported the error “Open serial port failed, please check whether serial port is occupied”, and Windows also found that “PL2303HXA PHASED OUT SINCE 2012” as below.
Obdii365.com Working Solution:
Please follow the steps to fix PL2303 error.
Step 1: Install PL2303 driver
Step 2: If it shows a yellow exclamation mark in Device Manager, that means the driver is not installed properly. Then right-click and select “Update Driver”
Step 3: Select the driver file manually
Step 4: Select the driver file from the driver list
Step 5: Select the older version of the driver file in the list (i.e 2008 version)
Step 6: If it doesn’t display yellow exclamation mark in Device Manager, that’s fine.
Step 7: Driver is well installed.
How to connect Bluetooth Adapter with Yanhua Mini ACDP?
Hope it helps!