VCFRONT_a515_LVBMSFault_MOS_Open_cellOV

The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a cell overvoltage condition.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The LV battery may be damaged and may be unable to support vehicle electrical systems.

Description

The low voltage battery management system (LVBMS) reports it has opened the low voltage (LV) battery internal protection transistor (MOSFET) after detecting a cell overvoltage condition.

Cause

The LVBMS detects a cell overvoltage condition affecting the LV battery.

Clear condition

The LVBMS reports the cell overvoltage condition is resolved and internal protection transistor (MOSFET) has been requested closed again.

Models

Model 3 2017-2023, Model 3 2024+, Model Y, Model Y 2025+

Visibility

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