BMS-A040
BMS_a040_SW_Watch_Dog_HW_Triggered
What does BMS-A040 mean?
Tesla alert code in the Battery Management System (BMS) module. The BMS uses this to indicate the SWT peripheral triggered a watchdog expiration Alert indicating HVP Error/EOUT pin asserted A brick has exceeded the maximum brick voltage BMS detects that the HV battery cannot support sufficient power for driving BMS has detected a memory error
Original Description
The BMS uses this to indicate the SWT peripheral triggered a watchdog expiration Alert indicating HVP Error/EOUT pin asserted A brick has exceeded the maximum brick voltage BMS detects that the HV battery cannot support sufficient power for driving BMS has detected a memory error
Severity Notes
BMS-A040 is an Alert in the Battery Management System system. It is generally safe to continue driving, but have it checked at your next scheduled service.