TESLA Fault

BMS_f038

BMS_f038_SW_Neg_Contactor

System
BMS
Battery Management System
Type
Fault
Category
Battery
Severity
Fault (Critical)

What does BMS_f038 mean?

Tesla fault code in the Battery Management System (BMS) module. During the first two seconds of the contactors attempting to close, an issue with the negative contactor was detected. If this alert is present, the contactors may be heard attempting to close but remain open as the issue is detected. The speed of the attempt to close and the re-opening may be too quick to distinguish between the two clicks.

Original Description

During the first two seconds of the contactors attempting to close, an issue with the negative contactor was detected. If this alert is present, the contactors may be heard attempting to close but remain open as the issue is detected. The speed of the attempt to close and the re-opening may be too quick to distinguish between the two clicks.

Severity Notes

BMS_f038 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.

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.