BMS_a178_SW_Uncontrolled_Regen_PwrB

The battery management system (BMS) has detected an uncontrolled regen event in track mode.

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) has detected an uncontrolled regen event in track mode.

Cause

The BMS detects that regen power is above the maximum threshold.

Clear condition

The BMS detects that regen power is within the limit threshold.

Models

Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

customer, service

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