BMS_a181_SW_Shunt_Over_Temperature

This alert indicates that the shunt bar temperature is above what is nominally expected, which can be indicative of issues in the penthouse like 3rd party pyros or improperly installed HV components.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The output power during drive may be reduced. If a 3rd party pyro is installed or some component in the penthouse is improperly installed, devices in the HV chain may experience additional wear caused by experiencing higher temperatures.

Description

This alert indicates that the shunt bar temperature is above what is nominally expected, which can be indicative of issues in the penthouse like 3rd party pyros or improperly installed HV components.

Cause

The shunt bar's temperature is above the set threshold during drive

Clear condition

The shunt bar's temperature is below the clear threshold while not in drive

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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