BMS-F103
BMS_f103_HW_BMB_Memory_Parity
Also written as BMS_F103 / BMS F103 / BMS_f103_HW_BMB_Memory_Parity / bms_f103_hw_bmb_memory_parity
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-F103 mean?
Tesla fault code in the Battery Management System (BMS) module. There is a problem with the programming and an issue with the TI536A's shadow RAM from the One Time Programmable (OTP).
Original Description
There is a problem with the programming and an issue with the TI536A's shadow RAM from the One Time Programmable (OTP).
Affected Tesla Models
What You May Notice
- Red warning light on dashboard: There is a problem with the programming and an issue with the TI536A's shadow RAM from the One Time Programmable (OTP).
- 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 Stop driving immediately and move to a safe location
- 2 Do not attempt to charge the vehicle — active fault: "There is a problem with the programming and an issue with th"
- 3 Call Tesla Roadside Assistance (+1-877-798-3752) for a flatbed tow
- 4 At the Service Center, Tesla technicians will inspect the HV battery pack and BMS firmware
Severity Notes
BMS-F103 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.