Alerts

Alerts

Signal Name Description Condition Impact
Drive Inverter Warning: Battery under voltage
HV bus voltage (refer to busVoltage) drops below lower voltage threshold (refer to busHighLimit)
Unable to produce torque/power from drive unit
The Drive Inverter (DIx) Phase B current sensor is irrational.
The DIx Phase B current sensor is irrational. An irrational current may indicate a high rate of change or current measurement out of sensing bounds. There may be a condition affecting current input and output.
If the alert asserts at the beginning of a drive cycle, DIx may not enable. If the alert asserts during a drive cycle, DIx may be disabled. DIx may not function as expected.
The Drive Inverter (DIx) Phase A current sensor is irrational.
The DIx Phase A current sensor is irrational. An irrational current may indicate a high rate of change or current measurement out of sensing bounds. There may be a condition affecting current input and output.
If the alert asserts at the beginning of a drive cycle, DIx may not enable. If the alert asserts during a drive cycle, DIx may be disabled. DIx may not function as expected.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor offset has exceeded the threshold on Phase B.
The DIx ECU has detected the current sensor offset has exceeded the threshold on Phase B. Phase B hardware may need investigation.
This alert is intended for logging purposes. Phase B hardware may need investigation.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor offset has exceeded the threshold on Phase A.
The DIx ECU has detected the current sensor offset has exceeded the threshold on Phase A. Phase A hardware may need investigation.
This alert is intended for logging purposes. Phase A hardware may need investigation.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor Root Mean Squared (RMS) current has exceeded the expected RMS threshold on Phase C.
The DIx ECU has detected the current sensor RMS current has exceeded the expected RMS threshold on Phase C.
DIx may not function as expected, including vehicle power being limited.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor Root Mean Squared (RMS) current has exceeded the expected RMS threshold on Phase B.
The DIx ECU has detected the current sensor RMS current has exceeded the expected RMS threshold on Phase B.
DIx may not function as expected, including vehicle power being limited.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected the current sensor Root Mean Squared (RMS) current has exceeded the expected RMS threshold on Phase A.
The DIx ECU has detected the current sensor RMS current has exceeded the expected RMS threshold on Phase A.
DIx may not function as expected, including vehicle power being limited.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an overcurrent event (or peak) in Phase C.
The DIx ECU has detected a peak in Phase C.
DIx may be inoperable.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an overcurrent event (or peak) in Phase B.
The DIx ECU has detected a peak in Phase B.
DIx may be inoperable.
Clutch Position Sensor Irrational
Clutch position sensor is missing or out-of-range
Clutch may disengage
Drive Inverter Warning: HVIL not CLOSED
HVIL is no longer CLOSED
Contactors may not close
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.
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 Inverter (DIx) Electronic Control Unit (ECU) has detected an error with Active Driveline Damping (ADD).
The DIx ECU has detected an error with ADD.
Gear train and drive line thuds and noise typically dampened by ADD may be more noticeable.
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.