You must have an active professional level subscription to access the calibration files. Available ECU updates are specified in applicable Technical Service Bulletins (TSBs), which can be accessed with a subscription to this website. Toyota, Scion, and Lexus ECUs can be reprogrammed using Techstream Lite.Techstream Lite supports DLC3/J1962 based diagnostic functions on 1996 and later Toyota, Scion, and Lexus vehicles marketed in North America.Toyota techstream key programming->VXDIAG VCX NANO Toyota.Toyota techstream ecu programming->VXDIAG VCX NANO for Toyota.Toyota obdii diagnostics–> MINI VCI cable.Key 5000 Days all region patch included.NO need techstream activation/registration.Techstream Lite is an inexpensive alternative to the full TIS techstream system and provides factory level support for Toyota/Scion/Lexus vehicles. Techstream Lite allows Techstream diagnostic software to run on your PC (see minimum PC requirements) to service Toyota, Scion, and Lexus vehicles. The latest Toyota Techstream v12.10.019 software is verified to work 100% with MINI VCIcable, Xhorse MVCI, VXDIAG VCX NANO for Toyota OEM diagnostics tool, Toyota OTC2 OEM diagnostics tool. 9 Toyota Techstream V12.10.019 Download.