TESLA Alert
BMS-A178
BMS_a178_SW_Uncontrolled_Regen_PwrB
What does BMS-A178 mean?
Tesla alert code in the Battery Management System (BMS) module. Alert that pyro is being blown for an uncontrolled regen event in track mode A brick has shown 2nd order instability noise BMS detects that one of the DC Link (pack) switches is welded
Original Description
Alert that pyro is being blown for an uncontrolled regen event in track mode A brick has shown 2nd order instability noise BMS detects that one of the DC Link (pack) switches is welded
Severity Notes
BMS-A178 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
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