BMS_a129_SW_VSH_Failure

The battery management system (BMS) has detected a high voltage sense harness (VSH) impedance.

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) has detected a high voltage sense harness (VSH) impedance.

Cause

The BMS detects a VSH impedance value above the threshold.

Clear condition

All bricks report VSH impedance values within the threshold.

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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