TESLA Alert
BMS-A123
BMS_a123_SW_Internal_Isolation
What does BMS-A123 mean?
Tesla alert code in the Battery Management System (BMS) module. BMS measurement of internal isolation (within the HV battery) is too low A voltage sense harness on Batman has failed
Original Description
BMS measurement of internal isolation (within the HV battery) is too low A voltage sense harness on Batman has failed
Severity Notes
BMS-A123 is an Alert in the Battery Management System system. It is generally safe to continue driving, but have it checked at your next scheduled service.
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 →