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Service procedures 2026 firmware

Enable Factory Low Voltage Protection Self Tests

Gen3/tasks/PROC_VCBATT1_X_ENABLE-FACTORY-LV-PROTECTION-SELF-TESTS

Model 3 / Y

What this task does

Enable running of Low Voltage Protection Self Tests in the factory.

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
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
Gateway diagnostic level
No specific level listed

Task inputs (0)

No user inputs are listed in this firmware.

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

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

12V Reset

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

PROC_VCBATT1_X_12V-RESET

Model 3 / Y
Communication checks

Front Vehicle Controller (VCBATT) CAN Communication

Tests communication with the front vehicle controller (VCBATT1) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_VCBATT1

Model 3 / Y
Self-tests

LV Protections Self Test

Performs a series of self-tests of the low voltage protections

TEST-SELF_VCBATT1_X_LV-PROTECTIONS

Model 3 / Y