Alerts

Alerts

Signal Name Description Condition Impact
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an overcurrent event (or peak) in Phase A.
The DIx ECU has detected a peak in Phase A.
DIx may be inoperable.
The Switch Off Path Test (SOPT) for Drive Unit has failed. The pathway between Drive Inverter (DIx) and Pedal Monitor (PM) torque measurements are different.
The Switch Off Path Test (SOPT) for Drive Unit has failed. The DIx and PM torque measurements are different. The pathway between DIx and PM may have a condition affecting functionality.
PM may not be able to shut down torque produced by Drive Unit.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a 5V supply is under voltage.
The FPGA detects a 5V supply regulator PGOOD is not working as expected.
Readings from 5V sensors may become erratic.
Drive Inverter Warning: Battery over voltage detected in hardware
HV bus voltage exceeds set upper voltage threshold
Unable to produce torque/power from drive unit
Drive Inverter Warning: HVIL not CLOSED
HVIL is no longer CLOSED
Contactors may not close
Drive Inverter Warning: Motor stator anomaly detected
Stator anomaly observed during retry attempt
Drive unit may fault
Drive Inverter Warning: Phase A peak over current detected in hardware
Not Available
Not Available
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.
LV supply voltage to DI is disconnected or drops below lower voltage threshold.
The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.
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.
The Drive Inverter (DIx) power stage has applied a safe state.
The DIx power stage has applied a safe state.
Some DIx features may be disabled, or may not function expected. The Drive Unit may not function as expected.
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.
This alert is for diagnostic logging purposes only.
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.
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.
The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.
The DIx current sensor hardware comparator has detected a peak on Phase C.
DIx may be inoperable.
The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase B.
The DIx current sensor hardware comparator has detected a peak on Phase B.
DIx may be inoperable.
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.
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.
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.
The Drive Interface (DI) detects the rotor is irrationally offset.
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
Drive Inverter Warning: Oil pump service
Adverse oil pressure detected or DC current sensor rationality degraded, see reason payload
Drive Unit thermal estimation and limits are conservative, potential torque limiting with aggressive driving, recommend inspecting drive unit oil level and oil pump