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_w0165_12VBatVoltage
|
|
-
|
No
|
|
|
THC_w0164_fanRelaySolenoidOS
|
|
-
|
No
|
|
|
THC_w0179_BMSCanTmo
|
|
-
|
No
|
|
|
THC_w0178_RCCMCanTmo
|
|
-
|
No
|
|
|
THC_w0141_sanityRfrgDisTemp
|
|
-
|
No
|
|
|
THC_w0142_rfrgSuctPress
|
|
-
|
No
|
|
|
THC_w0143_rfrgSuctTemp
|
|
-
|
No
|
|
|
THC_w0144_rfrgSuctTempRange
|
|
-
|
No
|
|
|
THC_w0145_rfrgSuctPressRange
|
|
-
|
No
|
|
|
THC_w0146_sanityRfrgSuctPress
|
|
-
|
No
|
|
|
THC_w0147_sanityRfrgSuctTemp
|
|
-
|
No
|
|
|
THC_w0148_refrigerantLow
|
|
-
|
No
|
|
|
THC_w0149_refrigLowChiller
|
|
-
|
No
|
|
|
THC_w0150_evapFreezeProtActive
|
|
-
|
No
|
|
|
THC_w0151_canRxOverflow
|
|
-
|
No
|
|
|
THC_w0160_compOvervoltage
|
|
-
|
No
|
|
|
THC_w0161_5Voutput
|
|
-
|
No
|
|
|
THC_w0170_solenoidOutputs
|
|
-
|
No
|
|
|
THC_w0177_GTWCanTmo
|
|
-
|
No
|
|
|
THC_w0176_MCUCanTmo
|
|
-
|
No
|