BMS_f037_SW_Pos_Contactor
Description
The battery management system (BMS) detects that the positive contactor remains open during the first 2 seconds of pack contactors attempting to close.
Condition
The BMS detects that the positive pack contactor is welded or broken.
Clear Condition
The positive 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