MyTeslaMate

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.

Signal Name Description Condition Impact Important
Diagnostic warning of the front left active wheel speed sensor.
One of the diagnostic reasons is active.
No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.
No
The drive interface (DI) electronic control unit (ECU) detects that Auto Shift out of Park is unavailable.
The DI ECU detects that Auto Shift out of park is unavailable.
The user must manually select a gear to exit Park.
No
Drive Inverter Slave Warning: Cruise control CAN node is MIA
-
No
Diagnostic warning of the front left active wheel speed sensor.
One of the diagnostic reasons is active.
No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.
No
Diagnostic warning of the front left active wheel speed sensor.
One of the diagnostic reasons is active.
No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.
No
The drive interface (DI) electronic control unit (ECU) detects that the Park button was pressed during a shift change request.
Rising edge of stalk request occurring while park button pressed
The DI does not honor the shift request
No
Diagnostic warning of the front left active wheel speed sensor.
One of the diagnostic reasons is active.
No immediate impact. The sensor may be marginally sensing speed and may require adjustments or replacement.
No
Drive Inverter Slave Warning: Rear oil pump MIA
-
No
Drive Inverter Slave Warning: Rear oil pump diagnostic data
-
No
Drive Inverter Slave Warning: Oil pump needs service
-
No
Drive Inverter Slave Warning: State Transition Condition Not Met
-
No
Drive Inverter Slave Warning: FPGA error
-
No
Drive Inverter Slave Warning: ABS CAN node is MIA
-
No
Drive Inverter Slave Warning: Charger CAN node is MIA
-
No
Drive Inverter Slave Warning: Proximity signal is irrational
-
No
Drive Inverter Slave Warning: Low flow rate of fluid
-
No
Drive Inverter Slave Warning: Shift input invalid
-
No
Drive Inverter Slave Warning: Cruise input invalid
-
No
Drive Inverter Slave Warning: Firmware assertion
-
No
Drive Inverter Slave Warning: Thread overrun
-
No