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_f094_igbtTempRationality
|
|
-
|
No
|
|
|
CHG_f095_htsinkTempRationality
|
|
-
|
No
|
|
|
CHG_f096_ambientTempRationality
|
|
-
|
No
|
|
|
CHG_f109_resetAttemptInEnable
|
|
-
|
No
|
|
|
CHG_f110_busOff
|
|
-
|
No
|
|
|
CHG_f114_phEnRationality
|
|
-
|
No
|
|
|
CHG_f116_HVJBOT
|
|
-
|
No
|
|
|
CHG_f117_HVJBOTFault
|
|
-
|
No
|
|
|
CHG_f118_VDiffHwRationality
|
|
-
|
No
|
|
|
CHG_f086_CPLDInhibEVSEAccept
|
|
-
|
No
|
|
|
CHG_f081_iacRegulation
|
|
-
|
No
|
|
|
CHG_f080_vIntOutofRange
|
|
-
|
No
|
|
|
CHG_f126_allPhasesMIA
|
|
-
|
No
|
|
|
The Charger Controller (CHG) receives an invalid or incorrect voltage sensor reading at the Analog to Digital Converter (ADC).
|
The CHG receives an invalid or incorrect voltage sensor reading at the ADC.
|
Vehicle may be unable to charge.
|
No
|
|
|
CHG_f083_allPhasesFaulted
|
|
-
|
No
|
|
|
CHG_f097_hvilRationality
|
|
-
|
No
|
|
|
CHG_f082_vIntRegulation
|
|
-
|
No
|
|
|
CHG_f091_proximityRationality
|
|
-
|
No
|
|
|
CHG_f090_vLineRationality
|
|
-
|
No
|
|
|
CHG_f089_iLineRationality
|
|
-
|
No
|