BMS_f009_SW_Pos_Contactor_Drive

There is an issue with the positive contactor drive circuit. This alert may indicate an open contactor drive circuit, a falsely closed contactor loop, an increase in the contactor coil current during economized operation, or that a contactor has popped open during operation.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Service is required
Schedule service now

Impact

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

Description

There is an issue with the positive contactor drive circuit. This alert may indicate an open contactor drive circuit, a falsely closed contactor loop, an increase in the contactor coil current during economized operation, or that a contactor has popped open during operation.

Cause

The battery management system (BMS) detects unexpected current through the positive contactor drive circuit.

Clear condition

The BMS detects nominal current through the positive contactor drive circuit.

Models

Model S 2012-2020, Model X 2015-2020

Visibility

customer, service-fix

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