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_w0027_tempAuxHvacDuctRange
|
|
-
|
No
|
|
|
THC_w0026_DASCanTmo
|
|
-
|
No
|
|
|
THC_w0025_pumpPT2Stop
|
|
-
|
No
|
|
|
THC_w0024_pumpPT2Limp
|
|
-
|
No
|
|
|
THC_w0023_tempIncarDriverRange
|
|
-
|
No
|
|
|
THC_w0022_tempIncarDriver
|
|
-
|
No
|
|
|
THC_w0021_sanityIncarDriver
|
|
-
|
No
|
|
|
THC_w0020_tempIncarDrvHsgRange
|
|
-
|
No
|
|
|
THC_w0019_tempIncarDrvHsg
|
|
-
|
No
|
|
|
THC_w0017_auxBlowerPwmOS
|
|
-
|
No
|
|
|
THC_w0016_compOverheatWarning
|
|
-
|
No
|
|
|
THC_w0015_compLimitedOpRange
|
|
-
|
No
|
|
|
THC_w0014_compComponentShutdown
|
|
-
|
No
|
|
|
THC_w0013_compressorTHCForcedOff
|
|
-
|
No
|
|
|
THC_w0010_EXVOutOfPosition
|
|
-
|
No
|
|
|
THC_w0009_EXVLinTmo
|
|
-
|
No
|
|
|
THC_u0006_batteryHeaterActive
|
|
-
|
No
|
|
|
THC_u0005_cabinHVACLimited_PT
|
|
-
|
No
|
|
|
THC_u0004_cabinHVACLimited_LV
|
|
-
|
No
|
|
|
THC_u0003_cabinHVACLimited_HV
|
|
-
|
No
|