Recently some users reported that they had the error “Device no response” when updating Launch X431 key programming software/firmware.
Failed to clone transponder with Launch X431 PAD VII and X-prog3, data communication failed. PAD 7 asks to update key programming software/firmware, but fails to update, throwing an error device no response.
Launch x431 immo plus won’t update new key programming software, WiFi is good, error device no response.
To activate the Key Programmer function (transponder/remote clone and generation related functions), you should have the Launch X431 key programmer add-on module.
You cannot update key programming software without that key maker.
This is the Launch x431 key programmer.
Connect key programmer with X431 tablet like this:
Connecting x431 key programmer will allow you to use these functions
Unlock Toyota smart keys
Ignition switch coil signal detect
Set type of super chip