Problem:
I failed to read VAG EDC17CP44 with Xhorse vvdi prog and bosch ecu adapter. Software gave an error 40 chip enter failed. What’s the problem?
Solution:
The error indicates your bosh ecu adapter is broken.
Buy a new one and try again.
https://www.vvdishop.com/wholesale/vvdi-prog-bosch-ecu-adapter-read-isn-without-opening.html