Tesla Alert Codes Explained
Every Tesla reports internal alert codes (like BMS_a117)
when something needs attention. Search the dictionary below to find what an alert means and what to do about it.
MyTeslaMate logs them automatically:
hosted TeslaMate with no server to run.
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
CHGS_f104_magneticsOT
|
|
-
|
No
|
|
|
CHGS_f114_phEnRationality
|
|
-
|
No
|
|
|
CHGS_f116_HVJBOT
|
|
-
|
No
|
|
|
CHGS_f117_HVJBOTFault
|
|
-
|
No
|
|
|
CHGS_f118_VDiffHwRationality
|
|
-
|
No
|
|
|
CHGS_f124_ph3VersionMismatch
|
|
-
|
No
|
|
|
CHGS_f075_stateTransitionDenied
|
|
-
|
No
|
|
|
CHGS_f011_hwVInOV
|
|
-
|
No
|
|
|
CHGS_f018_hwLineOC
|
|
-
|
No
|
|
|
CHGS_f022_hw12VUV
|
|
-
|
No
|
|
|
CHGS_f021_15V
|
|
-
|
No
|
|
|
CHGS_f023_hwReset
|
|
-
|
No
|
|
|
CHGS_f024_VLineOVPk
|
|
-
|
No
|
|
|
CHGS_f025_VLineUV
|
|
-
|
No
|
|
|
CHGS_f017_hwIntermediateBus
|
|
-
|
No
|
|
|
CHGS_f026_VOutOV
|
|
-
|
No
|
|
|
CHGS_f027_VOutUV
|
|
-
|
No
|
|
|
CHGS_f028_igbtOT
|
|
-
|
No
|
|
|
CHGS_f029_freqDroopDetected
|
|
-
|
No
|
|
|
CHGS_f030_VLineFreqOF
|
|
-
|
No
|