TESLA Fault
BMS_f045
BMS_f045_SW_Internal_CANB_error
What does BMS_f045 mean?
Tesla fault code in the Battery Management System (BMS) module. There is a poor or lack of communication with the external systems using the Controller Area Network (CAN).
Original Description
There is a poor or lack of communication with the external systems using the Controller Area Network (CAN).
Severity Notes
BMS_f045 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.