Alerts

Alerts

Signal Name Description Condition Impact Important
Drive Inverter Warning: Inverter over temperature.
Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold
No direct impact. Could damage drive inverter if temperature is continuously too high.
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: Ambient over temperature.
Ambient temperature (refer to pcbTemp) exceeds upper temperature threshold
No direct impact. Could damage drive inverter if temperature is continuously too high.
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
Drive Inverter Warning: Ambient sensor bad.
Abnormal temperature measurements from ambient sensor
Unable to monitor ambient sensor temperature
No
Drive Inverter Warning: Heatsink over temperature.
Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold
No direct impact. Could damage drive inverter if temperature is continuously too high.
No
Drive Inverter Warning: Heatsink under temperature.
Heatsink temperature (refer to heatsinkTemp) drops below lower temperature threshold
No direct impact. Could damage drive inverter if temperature is continuously too low.
No
Drive Inverter Warning: Heatsink sensor bad.
Abnormal temperature measurements from heatsink sensor
Unable to monitor heatsink sensor temperature
No
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.
No
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.
No
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.
No
The Drive Unit resolver (motor speed sensor) has detected the motor exceeding typical speed.
The Drive Unit resolver has detected the motor exceeding typical speed. The rotor or rotor shaft may have a condition affecting functionality.
The motor is exceeding typical speed. The motor and Drive Unit may not function as expected.
No
The motor speed measured by the Drive Unit resolver does not match the Anti-lock Braking System (ABS) wheel speed sensors.
The motor speed measured by the Drive Unit resolver does not match the ABS wheel speed sensors. There may be a condition affecting the functionality of the Drive Unit or wiring.
The Drive Unit may not function as expected, including a reduction in vehicle power. The vehicle's drive cycle may not function as expected, or at all.
No
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery overvoltage event.
LV supply voltage to DI exceeds the set upper voltage limit.
No immediate impact. Could damage drive inverter LV hardware if LV is continuously too high.
No
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.
No
Diagnsotic Alert: Irrational rotor offset detected.
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) or drive inverter (DIx) electronic control unit (ECU) detects that the gateway (GTW) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the GTW, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the GTW.
No
Drive Inverter Warning: Phase A peak over current detected in hardware.
Not Available
Not Available
No
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.
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