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Tesla
Alcohol Interlock Installation Guide
This document provides information to safely install the Alcohol Interlock for the European market to the On-
Board Diagnostics (OBD) port II of 2024+ Model 3, 2021+Model S, 2021+Model X, and Model Y (HW4)
vehicles. The Onboard Diagnostics Port can be used as third-party CAN bus connector. It is located under
the instrument panel on the left-hand side of the vehicle (Figure 1).
WARNING: Modifications can affect vehicle performance and behavior and might compromise vehicle
safety. Tesla does not guarantee the usability, functionality, or reliability of the modification, nor will Tesla
bear any responsibility to the consequences of the modification.
CAUTION: Installing and removing unapproved components might be detrimental and incur damage to
the vehicle. Tesla does not endorse the use of third-party equipment and does not accept any responsibility
for any damage incurred from installing and removing non-OEM equipment. Service to rectify any damage
caused by the installation and removal of unapproved components is not covered by any warranty.
NOTE: Tesla employees are not permitted to install, or assist with the installation of, third-party
equipment.
NOTE: All devices connected to the OBD port II share the same power supply. Make sure the total
current consumption does not exceed the maximum current capability on the port (8A).
Model 3 2024+, Model S
2021+, Model X 2021+,
Model Y HW4
Figure 1
ID
CD-24-17-001
Alcohol interlock
installation document
Version No.
Page No.
01
Page | 1
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Summary of Contents for Tesla 3 2024
- Page 1 CAUTION: Installing and removing unapproved components might be detrimental and incur damage to the vehicle. Tesla does not endorse the use of third-party equipment and does not accept any responsibility for any damage incurred from installing and removing non-OEM equipment. Service to rectify any damage caused by the installation and removal of unapproved components is not covered by any warranty.
- Page 2 Tesla Alcohol interlock Model 3 2024+, Model S 2021+, Model X 2021+, installation document Model Y HW4 NOTE: The following procedures are for LH drive vehicles. For RH drive vehicles, the procedures are similar. 1. Power off the Vehicle The vehicle must be powered off before the Alcohol Interlock can be installed. Refer to the appropriate Service Manual procedure for instructions to power off the vehicle.
- Page 3 Tesla Alcohol interlock Model 3 2024+, Model S 2021+, Model X 2021+, installation document Model Y HW4 2. Accessing the OBD Diagnostic Port II Refer to the appropriate Service Manual procedure for instructions to remove the driver footwell cover assembly to access the OBD diagnostic port.
- Page 4 Tesla Alcohol interlock Model 3 2024+, Model S 2021+, Model X 2021+, installation document Model Y HW4 4. Connector OBD-II Connection Pinout and Considerations Figure 2. OBD-II connector pinout (Vehicle connector mating end view) Table 1 Interface of the vehicle...
- Page 5 Tesla Alcohol interlock Model 3 2024+, Model S 2021+, Model X 2021+, installation document Model Y HW4 5. Reinstalling the Center Control Console and Driver Footwell Cover Assembly 1. Refer to the following steps to reinstall the central control console.
- Page 6 Toolbox 3 (Connect and Disconnect) NOTE: If you do not have access to Toolbox, you can purchase a subscription by going to service.tesla.com, and then clicking on Diagnostics > Diagnostics Software (Figure 3). Figure 3 2. In Toolbox, click the Actions tab, type “PROC_ICE_X_SAFE-SET-VEHICLE-CONFIGS” (Figure 4).
- Page 7 Tesla Alcohol interlock Model 3 2024+, Model S 2021+, Model X 2021+, installation document Model Y HW4 Figure 5 NOTE: After completing the installation process and the configuration changes, the vehicle is ready to work with the Alcohol Interlock device. The driver will not be able to shift into gear without passing a breath analysis.
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