Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that leads to the pedal monitor (PM) disabling powertrain.
|
The PM detects a condition that requires it to intervene and disable powertrain.
|
Vehicle drive torque is immediately disabled.
|
No
|
|
|
The Drive Inverter (DIx) power stage has applied a safe state.
|
The DIx power stage has applied a safe state.
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Some DIx features may be disabled, or may not function expected. The Drive Unit may not function as expected.
|
No
|
|
|
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error with Active Driveline Damping (ADD).
|
The DIx ECU has detected an error with ADD.
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Gear train and drive line thuds and noise typically dampened by ADD may be more noticeable.
|
No
|
|
|
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a RAM read or embedded conveyor controller (ECC) flash fetch issue.
|
The DI ECU detects an uncorrectable flash or RAM error.
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This alert is for diagnostic logging purposes only.
|
No
|
|
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Drive Inverter Warning: HVIL not CLOSED.
|
HVIL is no longer CLOSED
|
Contactors may not close
|
No
|
|
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The Drive Inverter (DIx) power stage is not ready. There may be a condition affecting the DIx control board.
|
The DIx power stage is not ready. One of the pre-drive gate driver checks has failed. There may be a condition affecting the DIx control board.
|
DIx may not function as expected.
|
No
|
|
|
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) resets for an unintended reason, such as a watchdog timeout.
|
The DI ECU resets for an unintended reason. Alert log signal data should provide more information on the specific reason.
|
The DI ECU is unavailable while it resets.
|
No
|
|
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Drive Inverter Warning: Motor stator anomaly detected.
|
Stator anomaly observed during retry attempt
|
Drive unit may fault
|
No
|
|
|
Drive Inverter Warning: Ambient under temperature.
|
Ambient temperature (refer to pcbTemp) drops below lower temperature threshold
|
No direct impact. Could damage drive inverter if temperature is continuously too low.
|
No
|
|
|
The Drive Inverter (DIx) and Pedal Monitor (PM) estimate different amounts of torque production, causing a Cross Check mismatch.
|
The DIx and PM estimate different amounts of torque production, causing a Cross Check mismatch. There may be a condition affecting DIx's or PM's ability to measure torque.
|
The vehicle may not accurately measure the level of torque being produced by the Drive Unit.
|
No
|
|
|
Drive Inverter Warning: Phase A peak over current detected in hardware.
|
Not Available
|
Not Available
|
No
|
|
|
The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase C.
|
DIx has detected a condition affecting functionality at the gate driver on Phase C. View payload signal to confirm reason for alert.
|
DIx may be inoperable.
|
No
|
|
|
The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase B.
|
DIx has detected a condition affecting functionality at the gate driver on Phase B. View payload signal to confirm reason for alert.
|
DIx may be inoperable.
|
No
|
|
|
The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase A.
|
DIx has detected a condition affecting functionality at the gate driver on Phase A. View payload signal to confirm reason for alert.
|
DIx may be inoperable.
|
No
|
|
|
The Drive Interface (DI) detects the rotor is irrationally offset.
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Rotor offset mean estimator is above minimum rationality threshold at very low absolute torque outputs
|
Diagnostic alert data only, may indicate reduction in torque or excess heat accuracy
|
No
|
|
|
The Drive Interface (DI) detects the at-speed recovery mechanism encountered an error.
|
The DI detects the at-speed recovery mechanism encounters an error affecting its functionality. Alert log signal data provides information on the specific condition(s) detected.
|
The vehicle may lose propulsion.
|
No
|
|
|
Alert for software trigger of mechanical safe state two-phase disconnect device.
|
Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.
|
The motor is permanently disabled.
|
No
|
|
|
Drive unit spindown learning calibration routine is in progress.
|
Drive unit rotor offset, rotor flux, or resolver error learning routine is in progress.
|
Drive unit torque is limited and pending spindown sequence.
|
No
|
|
|
The drive interface (DI) electronic control unit (ECU) detects that the Tesla air suspension (TAS) controller area network (CAN) node is missing (MIA).
|
The DI ECU does not receive the expected CAN messages from TAS.
|
TAS may be unavailable.
|
No
|
|
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the power conversion system (PCS) controller area network (CAN) node is missing (MIA).
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The DI ECU does not receive the expected CAN messages from the PCS.
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The DI ECU is unable to monitor the state of the PCS.
|
No
|