Reset all EFUSES

ModelSX/tasks/PROC_EFUSE_X_RESET-EFUSES

What this task does

Turns the drive rail off and attempts to reset all fuses on the EFUSE board.

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 (legacy) Legacy infotainment · Firmware 2026.14.6

Vehicle coverage: Pre-2021 Model S, Pre-2021 Model X
Supported connection: Local connection
Vehicle state: Stationary · Parked
Gateway diagnostic level: Factory, Service

Procedure notes

When this routine is run on a Model X, the Falcon doors will loose their calibration.

Task inputs (0)

No user inputs are listed in this firmware.

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Communication checks

EFUSE CAN Communication

Tests communication with the Efuse Vehicle Controller (EFUSE) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_EFUSE

Model S / X (legacy)