Skip to content
Service procedures 2026 firmware

12V Reset

Gen3/tasks/PROC_VCFRONT_X_12V-RESET

Model 3 / Y

What this task does

Power cycles all of the eFuses on the Vehicle Front Controller (VCFRONT) 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 3 / Y AMD · Firmware 2026.32.3
Vehicle coverage
2024+ Model 3, 2025+ Model Y, Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

Low Voltage (LV) power from the VCFRONT to the downstream loads is temporarily suspended as the eFuses reset.

Task inputs (0)

No user inputs are listed in this firmware.

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Procedure notes

Low Voltage (LV) power from the VCFRONT to the downstream loads is temporarily suspended as the eFuses reset.

Task inputs (0)

No user inputs are listed in this firmware.

Related service tasks

Browse all tasks →
Self-tests

Active Louver Self Test

Performs louver connection check. Will only move the louver through partial range of motion.

TEST-SELF_VCFRONT_X_ACTIVE-LOUVER

Model 3 / Y
Self-tests

Ambient Sensor Test

Tests for power, connection, and communication of the ambient sensor controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_AMBIENT-TEMP

Model 3 / Y Model S / X (2021+)
Self-tests

Battery Coolant Pump Test

Tests for power, connection, and communication of the battery coolant pump controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_COOLANT-PUMP-BATTERY

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

Boot Status

Check boot status of the VCFRONT

PROC_VCFRONT_X_BOOT-STATUS

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