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Service procedures 2026 firmware

Reset EFUSE ECU

ModelSX/tasks/PROC_DAS_X_EFUSE-RESET

Model S / X (legacy)

What this task does

Turns the drive rail off and attempts to reset EFUSE ECU.

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 · Drive; Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
No specific level listed

Task inputs (0)

No user inputs are listed in this firmware.

Related service tasks

Browse all tasks →
Service procedures

DAS - Capture Image

Performs an image capture while the Autopilot Electronic Control Unit (ECU) is in Calibration Mode. The estimated time to complete is two minutes.

PROC_DAS_X_CAPTURE-IMAGE

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

DAS - Clear Camera Calibration

Clears the Driver's Assistance System (DAS) calibration data for select camera pairs or all cameras.

PROC_DAS_X_CLEAR-CALIBRATION

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

DAS - Enter Calibration Mode

Starts Calibration Mode on the Autopilot Electronic Control Unit (ECU). This routine is required so other routines can be executed.

PROC_DAS_X_ENTER-CALIBRATION-MODE

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Communication checks

DAS Connection Test

The Ethernet pings Ape-A, Ape-B, or both. After a reply is received, five pings are sent and the full ping output is returned. Make sure to turn on the accessory drive rail. The estimated time to complete is one second per ping line output.

PING_DAS_X_ETHERNET-PING-DAS-ECUS

Model 3 / Y Model S / X (legacy) Model S / X (2021+)