BMS_a135_HW_BMB_Diagnostics_Failure

The battery management system (BMS) detects a pattern test failure on a battery monitoring board (BMB). .

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

This alert is primarily informational, and may indicate a potential BMB hardware failure.

Description

The battery management system (BMS) detects a pattern test failure on a battery monitoring board (BMB). .

Cause

The BMS runs the BMB pattern diagnostics and detects a deviation from the expected results for any device in the chain.

Clear condition

The BMS runs the BMB pattern diagnostics and receives the expected results for all devices in the chain.

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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