TESLA Warning

BMS_w023

BMS_w023_SW_Contactors_Open_HWOC

System
BMS
Battery Management System
Type
Warning
Category
Battery
Severity
Warning

What does BMS_w023 mean?

Tesla warning code in the Battery Management System (BMS) module. The Battery Management System (BMS) has set this warning due to a hardware overcurrent (HWOC) event, which is preventing the contactors from closing. If this alert is present or is repeatedly setting, the BMS may be using it as a counter to record the number of overcurrent events that have occurred.

Original Description

The Battery Management System (BMS) has set this warning due to a hardware overcurrent (HWOC) event, which is preventing the contactors from closing. If this alert is present or is repeatedly setting, the BMS may be using it as a counter to record the number of overcurrent events that have occurred.

Severity Notes

BMS_w023 is a Warning in the Battery Management System system. Schedule service soon. Monitor your vehicle for additional warnings.

Other BMS Codes

BMS_a001 BMS_a002 The Gateway packPerformanceDeviation config does not match t... BMS_a003 BMS was unable to read a pack birth date from the calibratio... BMS_a004 The pack hot seal test has not completed in the lifetime of ... BMS_a007 Charge rate is limited until cell temperatures increase... BMS_a016 The module IDs do not match the pack type set by the config ... BMS_a017 BMS_a018
View all BMS codes →

Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.