Make sure that you have the proper tools.
What you Need:
- OBD2 Scan tool of your choosing. OBDLink LX is most recommended.
- OHP OBD2 Harness Adapter for Tesla Model 3 & Y 2019-2020 and 2021 Refresh
- Flat-head screwdriver.
- Prybars (plastic) or other tools with similar functions.
Before the installation process, make sure that the vehicle is completely powered off.
How to Power Down the Car:
- Roll down the driver's window.
- Open the rear door to access the rear seat.
- Through the open front window, lean in and access the LCD monitor screen. Be careful not to touch the seat.
- On the monitor, press the Vehicle icon menu button and select Safety and Security menu.
- Press POWER OFF and confirm.
- Warning: Wait for 2 to 8 minutes for the car's power relay to disconnect. Normally, you’ll hear a clanking sound when the vehicle is completely powered off.
- Find the removable rear trim cover piece of the center console behind the driver's seat.
- Remove the trim cover using prybars. You’ll find the vehicle’s main console connector inside.
- Using the flat-head screwdriver, disconnect the console connector.
- Connect the female side of the OHP OBD2 harness adapter to the male side of the vehicle’s console connector.
- Then connect the male side of the OHP OBD2 harness adapter to the fixed female side of the console connector.
- Fit the cable into the empty space of the console.
- Leave the black OBD2 cord of the OHP harness adapter outside of the console and re-attach the trim cover.
- Connect the black OBD2 cord to a scan tool of your choosing.
- You are good to go. You can now connect your scan tool to your phone, laptop, or any compatible device.