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 |
|---|---|---|---|---|
|
Drive Inverter Slave Warning: Outlet sensor bad
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Outlet under temperature
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Outlet over temperature
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Inlet sensor bad
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Reset for unintended reason, e.g. from watchdog timeout
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: DIS CAN node MIA
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Regen limited significantly or disabled
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Battery sensor bad
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Battery under voltage
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Battery over voltage detected in software
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase current imbalance
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase B current sensor bad
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase C rms over current
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase B rms over current
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase C peak over current detected in software
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase B peak over current detected in software
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Phase A peak over current detected in software
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Self Start-up Test Failed
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: Unused software alert 23
|
|
-
|
No
|
|
|
Drive Inverter Slave Warning: 5V supply under voltage
|
|
-
|
No
|