VCFRONT_a192_vehicleLoadShed

The low voltage (LV) battery is no longer supported by the power conversion system (PCS). The vehicle low voltage electrical system needs to shed electrical loads by cutting power to some systems / electronic control units (ECUs).

Live incidence rate

0.01% (Rare)

Vehicle messages

Electrical system is unable to support all features
Switching off features to conserve energy

Impact

Lead acid: Convenience features such as seat heaters, auxiliary ports, and HVAC will no longer be available. Li-ion: All nonessential features / components will no longer be available, with support reserved for critical functions like operating doors, windows, exterior lights, and front trunk (frunk).

Description

The low voltage (LV) battery is no longer supported by the power conversion system (PCS). The vehicle low voltage electrical system needs to shed electrical loads by cutting power to some systems / electronic control units (ECUs).

Cause

Lead acid: low voltage (LV) battery voltage below 12.2V while high voltage (HV) support from the power conversion system (PCS) is requested; Li-ion: low voltage (LV) battery is not supported by the power conversion system (PCS), or the vehicle has experienced a crash event

Clear condition

Lead acid: low voltage (LV) battery voltage above 12.9V and high voltage (HV) state is up; Li-ion: low voltage (LV) battery is supported by the power conversion system (PCS) or, in the case of a crash, the Unified Diagnostic Services (UDS) routine is run successfully

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

customer, service-fix

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