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The Basics
ECU Connect is the free companion app to the EcuTek Bluetooth Vehicle Interface (EVI-BT). The device connects to the OBD vehicle diagnostic socket of all vehicles supported by EcuTek's ProECU tuning product (a list of supported models can be found here) to allow communication between the engine management ECU and your iPhone, iPad or Android device.
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The app will ask for an EcuTek account login. Either sign in or proceed through the account creation process. This step can be skipped, which will allow you to use the other EcuConnect features but will NOT allow the use of Phone Flash. You can always come back to create an account through the Settings menu.
When creating an account, you'll be asked to enter your details, read through the Terms and Conditions, and agree.
Once finished entering your details, select Create to finalize your account. ECU Connect will log you in automatically. If you have your EVI-BT Vehicle interface, you can now plug it in and pair it to your device. After selecting My Vehicle the app will prompt you to set up your vehicle interface. Here you can plug in your EcuTek Vehicle Interface (EVI-BT or EVI-BTLE). Follow the on-screen instructions to pair your EcuTek Vehicle Interface. You can always manage the paired vehicle interfaces later from ECU Connect > Settings > Vehicle Interface Add/Remove.
Once you have plugged your EVI into the OBD port of your car (or connect the EVI to USB power) you can follow the prompts on screen. If you need to configure an older generation EVI-BT (not EVI-BTLE), see instructions here Adding an ECU Connect Vehicle Interface manually | EVI BT Addition Instructions.
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Redeeming the Product Code / Vehicle Setup
After selecting My Vehicle and choosing your vehicle interface, select Program ECU at the very bottom.
Next, select Redeem Product Code to use the COBB Supplied product code card.
Next, you can either scan the QR code with your phone, or if your phone isn’t equipped, you can enter the code manually.
After doing that it will show up with the car's VIN, input your car's make and model (this can help with future troubleshooting), then select Get Files and the system will download any available maps for your car. (It will automatically do this in the future once the code has been redeemed.
Programming Your ECU (Initial Install or Changing the Map
Now go back to the main vehicle menu and select Program ECU again.
Select Engine
Now you can choose what map to flash on your car! (Map availability may differ)
After selecting the map, if you haven’t flashed your vehicle with your phone before, it will run a communication test with the car to ensure data is being transferred correctly.
After the communication test finishes, re select your map to install. DO NOT CLOSE THE APP WHILE IT FLASHES. While it should operate fine in the background while doing other tasks on your phone, the flash doesn’t take that long and closing the app may result in bricking or ruining the ECU.
Once complete, turn the car off for a few seconds then turn the key (or press the start button) so that the car is on but not running, and leave it there for about 5 seconds. Turn the car off and then you should be good to go!
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