Here is the review of key tool plus and Audi bcm2 adapter from Scott Owens:
2015 Q5 work perfect akl
It was encrypted I tried my Try using my 608 Tried using zedful nothing would work Through the OBD2
I did add key yesterday and is work fine great tool
Read BCM, and add key via Dump. Then learning the key and it’s already running.
Xhorse VVDI BCM2 Adapter with KEY TOOL PLUS Connection Diagram
Or you can use vvdi prog to read, vvdi2 load the data