Techstream Lite
 Techstream Lite
TIS techstream
Techstream Lite allows Techstream diagnostic software to run on your PC (see minimum PC requirements) to service Toyota, Scion, and Lexus vehicles. Techstream Lite is an inexpensive alternative to the full TIS techstream system and provides factory level support for Toyota/Scion/Lexus vehicles.

Scantool Diagnostics
Techstream Lite supports DLC3/J1962 based diagnostic functions on 1996 and later Toyota, Scion, and Lexus vehicles marketed in North America. You must have an active professional level subscription to use Techstream software.

Vehicle Reprogramming
Toyota, Scion, and Lexus ECUs can be reprogrammed using Techstream Lite. Available ECU updates are specified in applicable Technical Service Bulletins (TSBs), which can be accessed with a subscription to this website. You must have an active professional level subscription to access the calibration files.

Reference Information

Order Information / Sales Flyer  
Information on how to purchase Techstream Lite.

PC Requirements
A list of minimum PC requirements for Techstream Lite.

Answers to frequently asked questions.

Quick Start Instructions
Use this guide to get up and running quickly with Techstream Lite.

Detailed Installation Instructions
Refer to this document for step-by-step instructions on how to install and configure Techstream Lite.

Known Bugs List
Check out this document for a list of current Techstream bugs.
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Important Notice
PCM Reprogramming

It is possible to permanently damage a vehicle controller during the flash reprogramming process. It is especially important to understand that once started, the reprogramming process must not be interrupted, reprogramming devices must not be disconnected and PCs must not be allowed to go into Standby, hibernation or similar power management modes. The information provided herein is intended expressly for use by qualified professional automobile technicians. To prevent damage to your customer's vehicle and ensure safe service practice, read these materials completely and thoroughly before servicing the vehicle and be sure to follow all instructions.

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