BMS_a056_SW_Standby_Supply_Fault

The Battery Management System (BMS) detects an unexpected condition with its internal low voltage supply inputs.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The standby power supply is unable to power Electronic Control Units (ECUs) during sleep which leads to greater support from the Low Voltage (LV) battery.

Description

The Battery Management System (BMS) detects an unexpected condition with its internal low voltage supply inputs.

Cause

The output voltage of the standby power supply is outside of the expected bounds.

Clear condition

The output voltage of the standby power supply is within the expected bounds.

Models

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

Visibility

service

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