Xhorse Tool Blog

How to Solve Xhorse Key Tool Plus Failed to Connect Car?

Customer problem:

I have an Xhorse Key Tool Plus and for some reason it’s not connecting to any of the cars it’s failing to connect and it doesn’t diagnose any cars either. When I connect it to vehicles OBD port, it displays battery voltage of car that I’m working on and seems like it connects to it properly but I’m not able to program keys or even diagnose cars because it says failed to connect on parts where it’s not supposed to. I have another key tool plus and it connects properly and every time but this one has a problem with it. Any idea on what it may be? Yes I’ve tried swapping OBD cables.

Users’ Suggestions:

1.Maybe Can-H CAN-L problem

2.Check your main cord. I had a similar situation and after the main obd wire replacement everything back to normal.

3.Factory format and re-install online

Try to use the above methods to solve the issue.

Tech support:

Email: Sales@xhorseTool.com

Skype: VVDI2shop.com

Whatsapp: +8613343421783

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