Firmware Reinstall - Touchscreen: Notes

WARNING: This page is about a different car, the 2024 Tesla Model S, 2023 Tesla Model S, 2022 Tesla Model S, and 2021 Tesla Model S. However, it is still accessible from the selected car via links, so may be relevant.

Last modified: 19/09/2023 13:10:53

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

Revision History:

2023-09-18: Updated to one procedure that can be performed regardless of contactor state.
Revised software reinstall instructions. The most notable (but not the only) updates are as follows: Contactors closed - check for "VCFRONT_a402_LVBatteryCannotSupportVehicle" alert before initiating FW reinstallation. Contactors open - Check LV battery SoC and HV Battery BMS state before initiating the 2nd FW reinstallation.

NOTE: This procedure describes how to reinstall the currently installed vehicle software using the center display. The package will not be downloaded from Tesla servers.