BMS_a051_SW_HVC_Vref_Bad

The Battery Management System (BMS) detects that one or more High Voltage Controller (HVC) voltage references is out of bounds.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The vehicle may report inaccurate voltage measurements leading to alerts from the HV system.

Description

The Battery Management System (BMS) detects that one or more High Voltage Controller (HVC) voltage references is out of bounds.

Cause

There is a significant difference between the BMS and High Voltage Processor (HVP) voltage reference readings.

Clear condition

The difference between the BMS and HVP voltage readings are below the maximum threshold.

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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