Software Reinstall - Toolbox: Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Tesla Model 3, 2022 Tesla Model 3, 2021 Tesla Model 3, 2020 Tesla Model 3, and 2019 Tesla Model 3. However, it is still accessible from the selected car via links, so may be relevant.

Last modified: 24/07/2023 17:02:42

NOTE: See Personal Protection to make sure to wear proper PPE when performing below procedure.

Revision History:

2023-06-08: Updated Li-Ion instructions: Vehicle software version 2023.12 or newer is required, and consolidated "contactors closed" and "contactors open" procedures.

NOTE: This procedure describes how to reinstall the currently installed vehicle software using a laptop with Toolbox 3 locally connected. The package will not be downloaded from Tesla servers.

Partial: Reinstalls the currently installed software package to replaced components having CAN ECUs.
Full: Reinstalls the currently installed software package to the car computer and replaced components having CAN ECUs.

The software reinstall process varies depending on whether the vehicle is equipped with a lead acid or li-ion battery.