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 |
|---|---|---|---|---|
|
THC_w0129_radLeftShutrRange
|
|
-
|
No
|
|
|
THC_w0128_radLeftShutrLossCom
|
|
-
|
No
|
|
|
THC_w0127_sanityCondRightShutr
|
|
-
|
No
|
|
|
THC_w0126_condRightShutrNoFeedbk
|
|
-
|
No
|
|
|
THC_w0125_condRightShutrRange
|
|
-
|
No
|
|
|
THC_w0124_condRightShutrLossCom
|
|
-
|
No
|
|
|
THC_w0181_DCDCCanTmo
|
|
-
|
No
|
|
|
THC_w0180_DICanTmo
|
|
-
|
No
|
|
|
THC_w0123_sanityCondLeftShutr
|
|
-
|
No
|
|
|
One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).
|
One or more of the expected messages from the SCCM is not received.
|
Vehicle may be unable to shift between drive modes.
|
No
|
|
|
One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).
|
One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.
|
Vehicle speed and power may be limited.
|
No
|
|
|
THC_w0168_eeprom
|
|
-
|
No
|
|
|
THC_w0190_compShortCircuit
|
|
-
|
No
|
|
|
THC_w0194_RCCMModeAct
|
|
-
|
No
|
|
|
THC_w0195_RCCMleftTempAct
|
|
-
|
No
|
|
|
THC_w0196_RCCMRightTempAct
|
|
-
|
No
|
|
|
THC_w0197_RCCMIntakeAct
|
|
-
|
No
|
|
|
THC_w0198_RCCMDefAct
|
|
-
|
No
|
|
|
THC_w0200_RCCMIncarTempSns
|
|
-
|
No
|
|
|
THC_w0202_RCCMAmbientTempSns
|
|
-
|
No
|