Please note: This adapter is for 2019-2023 Tesla Model 3 ONLY. If you are looking for an adapter for the 2018 Model 3, please click here. This 2019+ Tesla Model 3 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.