Alert Details

BMS_a085_SW_Pack_Contactor_Mismatch

Description

The battery management system (BMS) detects a mismatch between the actual and commanded pack contactor set state.

Condition

High voltage processor (HVP) comms are OK and pack contactors were closed and pack contactors are now open / opening and BMS_packContactorRequest has remained closed.

Clear Condition

HVP_packContactorSetState is correct for the current BMS_packContactorRequest.

Potential Impact

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

Customer Facing Message 1

Vehicle shutting down - PULL OVER SAFELY

Customer Facing Message 2

Operation may be restored on next drive

Audiences

customer;service-fix

Models

Model 3 2017-2023;Model 3 2024+;Model S 2021+;Model X 2021+;Model Y;Model Y 2025+