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Launch X431 Firmware Update Instruction

This write-up about Launch X431 firmware update manual will help to solve the error: launch x431 Err DiagnoseMain ID: -5.



Launch x431 error message:


DiagnoseMain Err ID: -5

Failed to obtain firmware information.

Possible reasons:

1 Firmware does not work normally. Please retry after power off and on again

2 Firmware program is abnormal. Please update it

3 Firmware type is incorrect. Please contact the local dealer….



How to solve Launch x431 DiagnoseMain Err ID: -5:

(also How to update Launch x431 firmware)


Go to Menu
then Firmware Update

launch-x431-fimware-update-1 launch-x431-fimware-update-2 launch-x431-fimware-update-3

Launch x431 firmware update successfully.

Now the newest x431 firmware version is 11.49.


The x431 launch firmware update guide is for ORIGINAL Launch x431 scan tools at only.



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Updated: September 11, 2017 — 10:04 am
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