Overview
Toyota Techstream is the official diagnostic and reprogramming platform for Toyota, Lexus and Scion. It combines fault-code functions, live Data List, Active Tests, utility procedures (e.g., key registration, TPMS ID write, service resets), and—when paired with a valid Professional Diagnostic TIS subscription—ECU calibration updates.
What’s New in v18.00.008
Known Issue (per Toyota)]
Techstream up to v18.0 does not communicate with the 2023 GR Corolla EMPS system.
Highlights
Compatibility
Official support: Windows 10 and Windows 11.
Tested in-house on Windows 10 LTSC (2019). If using older Windows, verify in your environment.
Minimum System Requirements (per Toyota)]
Notes
For ECU programming and full diagnostic access, a Professional Diagnostic TIS subscription and supported Techstream hardware (ADVi or Techstream Lite with J2534/VCI) are required.
Disclaimer
Information here is compiled from public sources for educational purposes. Any files, if referenced, are hosted by third parties; our forum does not store or distribute software. Use only with vehicles you are authorized to service and follow the official EULA and local laws.
Toyota Techstream is the official diagnostic and reprogramming platform for Toyota, Lexus and Scion. It combines fault-code functions, live Data List, Active Tests, utility procedures (e.g., key registration, TPMS ID write, service resets), and—when paired with a valid Professional Diagnostic TIS subscription—ECU calibration updates.
What’s New in v18.00.008
- Coverage: All 2023 and earlier models fully supported; initial 2024 coverage (e.g., Lexus NX, Toyota bZ4X).
- New utility: MT/CVT/HEV Vehicle Setting Initialization for 2023~ Yaris BSM (Master/Slave).
Known Issue (per Toyota)]
Techstream up to v18.0 does not communicate with the 2023 GR Corolla EMPS system.
Highlights
- Read/clear DTCs with freeze frame and health checks
- Live data graphing and snapshot save/replay
- Active Tests and guided utilities (e.g., ABS bleed, steering angle, immobilizer/key where applicable)
- ECU reprogramming with valid TIS subscription and supported hardware
- Generic OBD-II and CAN functions
Compatibility
Official support: Windows 10 and Windows 11.
Tested in-house on Windows 10 LTSC (2019). If using older Windows, verify in your environment.
Minimum System Requirements (per Toyota)]
- CPU: 1 GHz or faster
- RAM: 2 GB (Win10) / 4 GB (Win11)
- Disk: 32 GB (Win10) / 64 GB (Win11) available
- Display: 800×600 or higher
Notes
For ECU programming and full diagnostic access, a Professional Diagnostic TIS subscription and supported Techstream hardware (ADVi or Techstream Lite with J2534/VCI) are required.
Disclaimer
Information here is compiled from public sources for educational purposes. Any files, if referenced, are hosted by third parties; our forum does not store or distribute software. Use only with vehicles you are authorized to service and follow the official EULA and local laws.
