BMS_f038_SW_Neg_Contactor
Description
The battery management system (BMS) detects that the negative contactor remains open during the first 2 seconds of pack contactors attempting to close.
Condition
The BMS detects that the negative pack contactor is welded.
Clear Condition
The negative contactor closes as expected.
Potential Impact
Inability to charge, drive, or support the low voltage (LV) system
Customer Facing Message 1
Unable to start vehicle
Customer Facing Message 2
Service is required
Audiences
customer;service-fix
Models
Model S 2012-2020;Model X 2015-2020