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Service procedures 2026 firmware

Learn New LV Battery

Gen3/tasks/PROC_VC_X_POST-LI-ION-LV-BATTERY-REPLACEMENT

Model 3 / YModel S / X (2021+)

What this task does

Run this routine after replacing the Li-Ion Low Voltage (LV) battery. Checks the fitted battery variant, adjusts vehicle configurations to the fitted variant type, and resets the required controllers and battery data.

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 · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Routine may interrupt vehicle support. It is recommended to attach an external support device before running this routine. Routine will also start a software update if needed.

Task inputs (0)

No user inputs are listed in this firmware.

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 · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Routine may interrupt vehicle support. It is recommended to attach an external support device before running this routine. Routine will also start a software update if needed.

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

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Set Thermal components to target positions for one minute or sweep them twice between end points. The routine will complete when all components have reached their target positions. Until then, other components will remain at their target positions or continue sweeping. Unselected components will default to a target position that minimizes noise, vibration, and harshness (NVH).

PROC_VC_X_ACTUATE-THERMAL-COMPONENTS

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