TESLA Fault
BMS-F166
BMS_f166_SW_AhToBeCharged_Imbal
What does BMS-F166 mean?
Tesla fault code in the Battery Management System (BMS) module. The Battery Management System (BMS) has detected that the delta between the brick that needs the least amp hours (Ah) compared to the one that needs the most is greater than 15Ah.
Original Description
The Battery Management System (BMS) has detected that the delta between the brick that needs the least amp hours (Ah) compared to the one that needs the most is greater than 15Ah.
Severity Notes
BMS-F166 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 →