(Fixed) Techstream v12.10.019 Error at Starting Flash Calibration Update

Installing Techstream v12.10.019 to perform ecu reprogramming by running with VXDIAG vcx Nano cable, it fails to work, get message” error at Starting Flash Calibration Update”.

It says: Cannot change to reprogramming mode. Please confirm the Ignition was turn OFF for 10 seconds and then turned back to the ON position.

Techstream V12.10


VXDIAG chief engineer replied:

Please install techstream V14.00.018, the problem will fix.


Here you can free download techstream V14.00.018



and patch here:


Password: no need

Security: 100% yes.

Tested working with VXDIAG VCX NANO Toyota diagnostic and programming tool.