Toyota TIS Techstream, being the successor to 'Toyota Mastertech' which Vetronix built, and later brought by BOSCH Germany, has been the newest generation of scan tools for the last 15 years.
The new Techstream Package offers two different subscriptions.
-Professional Diagnostic
-Security Professional - Required LSID with SDRM Account
Techstream Lite provides diagnostic software to service Toyota, Scion, and Lexus vehicles. Techstream Lite is a great, inexpensive alternative to the complete TIS Techstream system and gives factory-level support.
Techstream Lite supports DLC3/J1962 based diagnostic functions from 1996 and later Toyota/Scion/Lexus vehicles marketed in North America. ECU's can be reprogrammed using Techstream Lite. Available ECU updates referred by Technical Service Bulletins (TSBs), this is available with the techstream subscription via techinfo.toyota.com website.A Security Professional TIS subscription provides the same access of Professional Diagnostic subscription and access to vehicle security information, including Key codes and immobilizer and Smart Key reset capability. Before you can purchase you must be a current member of NASTF Vehical security registry. to get the VSP subscription.