Firmware Reinstall - Touchscreen: Notes

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.