BMS_a152_Isolation_In_Dc_Charge

The battery management system (BMS) detects low isolation while DC charging.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The vehicle will not charge until the charge cable is removed and the alert is cleared

Description

The battery management system (BMS) detects low isolation while DC charging.

Cause

The BMS detects that isolation resistance on the high voltage (HV) bus has fallen below the acceptable threshold while the vehicle is DC charging

Clear condition

The BMS detects that isolation while contactors are closed is above the minimum acceptable threshold

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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