(Fixed) Yanhua Mini ACDP test CAS2 error “EXT: Poor contact…”

Used Yanhua Mini ACDP to make key on BMW CAS2, got error “EXT: Poor contact. please check”.

The solution offered by obd2shop.co.uk engineer:
Use this cable to wire the line according to the color.



The fact is the Mini ACDP APP comes with the help images and videos on how to use ACDP to make a key on CAS2.

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