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Service procedures 2026 firmware

12 Volt Battery Reset

Coriander/tasks/PROC_VCBATT_X_12V-RESET

What this task does

Power cycles all of the eFuses on the VCFRONT and VCBATT ECUs and shuts off Sleep Bypass.

Vehicle & firmware coverage

Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.

Model S / X (2021+) AMD · Firmware 2026.20.6.1
Vehicle coverage
2021+ Model S, 2021+ Model X
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

All low voltage power from the VCBATT to the downstream loads will be temporarily suspended as the eFuses reset.

Task inputs (0)

No user inputs are listed in this firmware.

Browse all tasks →
Service procedures

Clear left headlamp latched faults in factory

Clear all left headlamp factory latched faults that were triggering leftHeadlampFactoryFault alert

PROC_VCBATT_X_CLEAR-LEFT-HEADLAMP-LATCHED-FACTORY-FAULTS

Model S / X (2021+)
Service procedures

LVBMS Reconnect LV Battery

Reconnects the Low Voltage Battery MOSFET on Model S and X platforms.

PROC_VCBATT_X_RECONNECT-LV-BATTERY

Model S / X (2021+)