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_w009_hwFCWeld
|
|
-
|
No
|
|
|
CHG_w008_hwThermal1
|
|
-
|
No
|
|
|
CHG_w007_hwBoost2OC
|
|
-
|
No
|
|
|
CHG_w006_hwBoost1OC
|
|
-
|
No
|
|
|
CHG_w005_hwXfrmrOC
|
|
-
|
No
|
|
|
CHG_w004_hwBiasBuck
|
|
-
|
No
|
|
|
CHG_w003_hwBiasBoost
|
|
-
|
No
|
|
|
CHG_w002_hwBoost
|
|
-
|
No
|
|
|
CHG_w001_hwBuck
|
|
-
|
No
|
|
|
CHG_u015_FCdisabled
|
|
-
|
No
|
|
|
CHG_u014_connectorFault
|
|
-
|
No
|
|
|
CHG_u013_chargeStoppedNoPilot
|
|
-
|
No
|
|
|
CHG_u012_PilotCurrentReduced
|
|
-
|
No
|
|
|
CHG_u011_cpLatchLeverMoved
|
|
-
|
No
|
|
|
CHG_u009_FCHardwareNotInstalled
|
|
-
|
No
|
|
|
CHG_u008_cableNotLockedILimited
|
|
-
|
No
|
|
|
CHG_u007_chargeCableFault
|
|
-
|
No
|
|
|
CHG_u006_latchDownProxLatched
|
|
-
|
No
|
|
|
Pilot signal does not appear when the charge cable is plugged in. Typically indicates that the charge station does not have power. Customers should check the power source or move to a different station or stall.
|
|
-
|
No
|
|
|
CHG_u004_wallPowerRemoval
|
|
-
|
No
|