BMS_a059_SW_Pack_Voltage_Sensing

The battery management system (BMS) detects a mismatch between the pack voltage and the sum of brick voltages.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Vehicle may not restart
Service is required

Impact

Inability to charge, drive, or support the low voltage (LV) system

Description

The battery management system (BMS) detects a mismatch between the pack voltage and the sum of brick voltages.

Cause

The BMS detects that the HV pack voltage differs from the sum of the brick voltages by more than 3%.

Clear condition

The BMS detects that the HV pack voltage is within 3% of the sum of the brick voltages.

Models

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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