You have a vast array of settings with which to tinker and change. Even if it’s something you can’t do yourself, at least you’ll know exactly what you need when you take it to the shop.ĭiagnostics isn’t all that Techstream software can do. No need to break the bank for something like that. It may end up being something you can fix yourself, from adding some type of fluid to simply changing a fuse. When you look up the code, you’ll have a better understanding of what is wrong with your car. It will read the sensors and notify you of any errors it picks up by providing you with an error code. The first significant and obvious use is to diagnose issues with your vehicle’s function. Toyota Techstream is designed to connect and interact with your car’s internal computers.

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