User Guide
2 - Install the CarDiag mobile app
Install the free and intuitive CarDiag mobile application :

3 - Plug your device to your car
Find the diagnostic port on which your device must be connected: https://wikiobd.co.uk
Plug your CarDiag device into Car’s diagnostic port, then turn your ignition on

4 - Connect your phone to CarDiag device
If you are on Android, go to:
- Settings > Bluetooth
- Connect to Bluetooth signal CarDiag
- Enter the following code : 0000

5 - Connect your phone to CarDiag device
If you are on iPhone, the connection between your phone and your device is done automatically.
You can move to the next step
6 - Launch your car diagnostic
You can now open your CarDiag mobile application, and launch a diagnosic to easily check your vehicle’s health (breakdowns, component wear, CO2 emissions, etc.).
PS: The CarDiag device is also compatible with other mobile applications:
- Car Scanner ELM OBD2, OBD Auto Doctor, …