Common Questions

Check out the below to see a list of commonly questions by our customers and their answers.

The iOS app can be found in the App Store, and the Android app can be found in the Play Store.

We sell the FIXD sensor through these channels:

Try these steps:
  1. Plug in the FIXD Sensor
  2. Start the car
  3. Launch the app and it should connect to the sensor
If these steps don’t work contact us at

If you bought your car in the United States, and it is a 1996 model or newer, then your car is federally required to have one. Many other cars have the port, but contact us to make sure.

In the vast majority of cars, it is on the driver side under the dashboard, just above the pedals. If you have difficulty finding the port in your car, contact us at

When connecting to the sensor on directly through the Bluetooth menu on Android devices, You may be prompted to enter a numeric pin. Use 1234. Connecting through the Bluetooth menu is optional; the FIXD app will connect to the sensor automatically.

On iOS devices, you will see this error when trying to connect to Bluetooth Low Energy devices from the system Bluetooth menu. You do not need to connect through this menu; the FIXD app will connect to the sensor automatically.

You can leave the sensor plugged in all the time, as it uses very little power when not communicating with the app. If you leave your car sitting for more than 3 weeks, we recommend that you remove the sensor.

FIXD can only communicate with the car about the check engine light at the moment. We are working on expanding the capabilities to include service reminders, ABS, TPMS, etc. by licensing manufacturer-specific codes.

Our VIN decoder does not always recognize vehicles sold outside the USA. VINs are 17 characters long and do not include the characters I, O, or Q. If you are having this issue contact us at

No, your smartphone will allow you to pair and communicate with multiple Bluetooth receivers at one time.

No, you need Bluetooth enabled on your smartphone for FIXD to connect to the sensor and your car.

No, your car does not need to have Bluetooth.  Only your smart phone needs Bluetooth to communicate with the FIXD sensor.

As long as there is a person with the car running the FIXD App, you can see the status and details of that car through our Multi-Vehicle Control feature.

We currently support 99% of various years, makes, and models, but we are still working on adding support for a few vehicles. If your vehicle hasn’t been included, please let us know, and we will include it as soon as possible.

There currently is no plan for Windows Phone, but if you contact us, we will keep you updated.

FIXD has been fully tested on vehicles sold in the US and Canada.  While we do have international users, we don’t guarantee support for vehicles outside of the US and Canada. Contact us if you would like to be a beta tester!

No, the FIXD app is free, and there are no additional monthly charges!  Sometimes the App Store will ask for your credit card if you have not downloaded an app in a while. This is simply Apple, not FIXD, asking for it.

No, you only pay once for the FIXD sensor, and the app is free. There are no additional monthly or recurring charges for FIXD.

Yes, FIXD can reset the check engine light.

No, FIXD cannot reset other lights on your dash.

Contact Us

Have a question that you didn’t see addressed on our site?  Reach out to and we’ll be happy to help you!