Tesla Model 3 (2019-2020) OBDII Adapter – HRN-CT20T11


Please note: This adapter is for 2019 – 2020 Tesla Model 3’s ONLY. If you are looking for an adapter for the 2018 Model 3, please click here. This 2019 – 2020 Tesla Model adapter may not be compatible for an early build (January/Feb) of the 2019 Model 3. You may need the 2018 Model 3 adapter. If your vehicle has an early 2019 build date, please see the image below to determine which adapter you require, or if you are uncertain, please contact us with a picture of your diagnostic port. To find the build date, please look at the sticker on the inside of the driver side door. 

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The HRN-CT20T11 is an OBDII adapter for the 2019 Tesla Model 3 year and for the 2020 Tesla Model 3, to connect to the Tesla OBDII engine diagnostics port.
If you are looking for an OBDII port adapter for the 2018 Tesla Model 3, you need to purchase the HRN-CT20T1. See the image below to verify the correct adapter. 



Length: 30 cm / 12 inches
Max length of connected cables: 2 meters / 6.5 feet

Other Tesla Adapters:
2012-2015 Tesla Model S OBDII Adapter
2016+ Tesla Model S OBDII Adapter
Tesla Model X OBDII Adapter
2018 Tesla Model 3 OBDII Adapter
Overview of Tesla Adapters
Geotab Features for Electric Vehicles