There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or that a pack contactor has popped open during operation.
<0.01% (Extremely rare)
Service is required
Schedule service now
Inability to charge, drive, or support the low voltage (LV) system
There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or that a pack contactor has popped open during operation.
The battery management system (BMS) detects unexpected current through the negative contactor drive circuit.
The BMS detects nominal current through the negative contactor drive circuit.
Model S 2012-2020, Model X 2015-2020
customer, service-fix
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