TESLA Fault

BMS-F112

BMS_f112_SW_Pos_Contactor_ANC

Also written as BMS_F112 / BMS F112 / BMS_f112_SW_Pos_Contactor_ANC / bms_f112_sw_pos_contactor_anc

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

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does BMS-F112 mean?

Tesla fault code in the Battery Management System (BMS) module. This alert provides more information on the contactor coil current, contactor states, precharge state, vehicle 12V, error type, and contactor ID.

Original Description

This alert provides more information on the contactor coil current, contactor states, precharge state, vehicle 12V, error type, and contactor ID.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Red warning light on dashboard: This alert provides more information on the contactor coil current, contactor states, precharge state, vehicle 12V, erro
  • Vehicle may refuse to drive or charge until the fault is cleared
  • Sudden power reduction or shutdown may occur while driving

How to Diagnose and Resolve

  1. 1 Stop driving immediately and move to a safe location
  2. 2 Do not attempt to charge the vehicle โ€” active fault: "This alert provides more information on the contactor coil c"
  3. 3 Call Tesla Roadside Assistance (+1-877-798-3752) for a flatbed tow
  4. 4 At the Service Center, Tesla technicians will inspect the HV battery pack and BMS firmware

Severity Notes

BMS-F112 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

View all BMS codes โ†’