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_w104_magneticsOT
|
|
-
|
No
|
|
|
CHGS_w101_lostCommsPhase
|
|
-
|
No
|
|
|
CHGS_w100_hw15VUV
|
|
-
|
No
|
|
|
CHGS_w099_noFlowDetected
|
|
-
|
No
|
|
|
CHGS_w098_iOutRationality
|
|
-
|
No
|
|
|
CHGS_w097_hvilRationality
|
|
-
|
No
|
|
|
CHGS_w096_ambientTempRationality
|
|
-
|
No
|
|
|
CHGS_w095_htsinkTempRationality
|
|
-
|
No
|
|
|
CHGS_w094_igbtTempRationality
|
|
-
|
No
|
|
|
CHGS_w093_vIntRationality
|
|
-
|
No
|
|
|
CHGS_w092_vOutRationality
|
|
-
|
No
|
|
|
CHGS_w090_vLineRationality
|
|
-
|
No
|
|
|
CHGS_w089_iLineRationality
|
|
-
|
No
|
|
|
CHGS_w088_lostCommsChgrly
|
|
-
|
No
|
|
|
The Secondary Charger Controller (CHGS) receives an invalid or incorrect voltage sensor reading at the Analog to Digital Converter (ADC).
|
The CHGS receives an invalid or incorrect voltage sensor reading at the ADC.
|
Vehicle may be unable to charge.
|
No
|
|
|
CHGS_w083_allPhasesFaulted
|
|
-
|
No
|
|
|
CHGS_w082_vIntRegulation
|
|
-
|
No
|
|
|
CHGS_w081_iacRegulation
|
|
-
|
No
|
|
|
CHGS_w080_vIntOutofRange
|
|
-
|
No
|
|
|
CHGS_w079_GFCI
|
|
-
|
No
|