Xhorse VVDI Key Tool Max FAQs

Recently, cardiagtool.co.uk received many questions about VVDI Key Tool Max. Here have collected three frequently asked questions and answers for reference.


Q: Is it possible to change the language of VVDI Key Tool Max?

A: Yes, you can set the language you desire on Xhorse APP by yourself.


Q: Can you tell me how to use Key Tool Max with Mini OBD Tool?

A: Key Tool Max supports the following functions:

1.Makes (incl. generate and copy) remote and chip

2.To be an OBD matching device: Key Tool Max is displayed as the interface to match with Mini OBD Tool

3.Works as a screen display device for Dolphin key cutting machine to cut keys


Q: How to program Toyota 8A chip all keys lost by Key Tool Max, VVDI2 and Toyota 8A Non-smart key adapter?

A: This function only can be used for limited times. Don’t use this function if the device isn’t connected to the vehicle!

Main steps:

Step 1: Disconnect the positive pole of car battery, protect the wire head, avoid short circuit

Step 2: Connect fuse box

Step 3: Connect the steering wheel lock line

Step 4: Connect vehicle OBD, Toyota 8A Non-smart key adapter and vehicle battery

Step 5: Run the VVDI2 software and generate boot chip

Step 6: remove the battery, wiring harness and fuse plug, and then restore the original line (cannot start directly)

Step 7: test the boot chip

For detailed instruction, please watch this video:



To be continued…



Buy VVDI Key Tool Max with VVDI Mini OBD Tool can get one free Xhorse renew cable.