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_f031_VLineFreqUF
|
|
-
|
No
|
|
|
CHGS_f034_swHVIL
|
|
-
|
No
|
|
|
CHGS_f039_12V
|
|
-
|
No
|
|
|
CHGS_f008_hwThermal1
|
|
-
|
No
|
|
|
CHGS_f009_hwFCWeld
|
|
-
|
No
|
|
|
CHGS_f004_hwBiasBuck
|
|
-
|
No
|
|
|
CHGS_f014_hwThermal2
|
|
-
|
No
|
|
|
CHGS_f016_hwVOutOV
|
|
-
|
No
|
|
|
CHGS_f015_hwAntispark
|
|
-
|
No
|
|
|
CHGS_f020_hwHVIL
|
|
-
|
No
|
|
|
CHGS_f019_hwIBatOC
|
|
-
|
No
|
|
|
CHGS_f057_VLineOV
|
|
-
|
No
|
|
|
CHGS_f055_VLineDischarge
|
|
-
|
No
|
|
|
CHGS_f050_mGridOverLoaded
|
|
-
|
No
|
|
|
CHGS_f047_HVJB_groundLoss
|
|
-
|
No
|
|
|
CHGS_f007_hwBoost2OC
|
|
-
|
No
|
|
|
CHGS_f006_hwBoost1OC
|
|
-
|
No
|
|
|
CHGS_f005_hwXfrmrOC
|
|
-
|
No
|
|
|
Pilot level invalid.
|
Pilot level transitions to invalid voltage level.
|
Wall connector will not operate while pilot level is invalid.
|
No
|
|
|
Invalid rotary dial selection.
|
Wall connector current limit selection dial is set to an invalid position.
|
Wall connector will not operate.
|
No
|