Alerts

Alerts

Signal Name Description Condition Impact
Drive Inverter Warning: Active discharge is on but bus voltage remains high.
Bus voltage is high while active discharge is ON
Potentially exposed high voltage
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 phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor.
The phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor. The induction motor or magnet motor may have a condition affecting functionality.
The phase gate drive fault counter may block any power stage from enabling. The drive unit may not function as expected.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.
LV supply voltage to DI (refer to lvSupply) is disconnected or drops below lower voltage threshold
Drive unit enters unit limp mode (see DI_a126_limpMode)
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.
Drive Inverter clutch engagement retries expired.
Drive Inverter clutch engagement retries expired
Drive Inverter clutch may not successfully engage
Clutch Driver Fault.
Clutch driver has fault condition
Clutch may disengage
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.
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.
Clutch Position Sensor Irrational.
Clutch position sensor is missing or out-of-range
Clutch may disengage
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 rotor's temperature is too hot, limiting Drive Inverter (DIx) motor torque production.
The rotor's temperature is too hot, limiting DIx motor torque production. There may be a condition affecting DIx or the motor.
The DIx motor may not produce torque as expected. The Drive Unit may not operate as expected.
The torque production safety monitor has detected excess torque production and inhibited Drive Inverter (DIx) torque production for the remainder of the drive cycle.
The torque production safety monitor has detected excess torque production and inhibited DIx torque production for the remainder of the drive cycle.
The torque production safety monitor will inhibit torque and excess heat production for the remainder of the drive cycle.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that requires it to trigger system limp mode.
The DI ECU detects abnormal operation in the powertrain system. Alert log signal data provides information on the specific condition(s) detected.
The performance (torque and power of the drive system) is severely limited.
Drive Inverter Warning: Heatsink sensor bad.
Abnormal temperature measurements from heatsink sensor
Unable to monitor heatsink sensor temperature
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference above the upper rational bound.
Any ADC channel reference is above the maximum rational value.
The vehicle is blocked from shifting out of Park.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects an analog-to-digital converter (ADC) channel reference below the lower rational bound.
Any ADC channel reference is below the minimum rational value.
The vehicle is blocked from shifting out of Park.