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 |
|---|---|---|---|---|
|
CHG_f035_pilotRationality
|
|
-
|
No
|
|
|
CHG_f034_swHVIL
|
|
-
|
No
|
|
|
CHG_f042_lostCommsCP
|
|
-
|
No
|
|
|
CHG_f079_GFCI
|
|
-
|
No
|
|
|
CHG_f078_boostPrechargeFail
|
|
-
|
No
|
|
|
CHG_f077_iLineOCRMS
|
|
-
|
No
|
|
|
CHG_f076_iLineOCPk
|
|
-
|
No
|
|
|
CHG_f075_stateTransitionDenied
|
|
-
|
No
|
|
|
CHG_f074_cpldFaulted
|
|
-
|
No
|
|
|
CHG_f073_unexpectedVoutBehavior
|
|
-
|
No
|
|
|
CHG_f072_assertion
|
|
-
|
No
|
|
|
CHG_f071_chargeThermalLimit
|
|
-
|
No
|
|
|
CHG_f070_inputVoltMismatch
|
|
-
|
No
|
|
|
CHG_f068_heatsinkTempSlope
|
|
-
|
No
|
|
|
CHG_f067_mGridOverLoadedSil
|
|
-
|
No
|
|
|
CHG_f066_machineMdlIrrational
|
|
-
|
No
|
|
|
CHG_f065_FCCntrRationalitycheck
|
|
-
|
No
|
|
|
CHG_f064_prechargeRelayWelded
|
|
-
|
No
|
|
|
CHG_f063_FCNegCntrWelded
|
|
-
|
No
|
|
|
CHG_f062_FCPosCntrWelded
|
|
-
|
No
|