BMS_a164_SW_Uncontrolled_Regen

The battery management system (BMS) detects an uncontrolled regen event.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Unable to drive
PULL OVER SAFELY

Impact

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

Description

The battery management system (BMS) detects an uncontrolled regen event.

Cause

The BMS detects regen power above the maximum threshold while in drive.

Clear condition

The BMS detects regen power within the threshold while in drive.

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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