Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the pedal monitor (PM) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the PM, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the PM.
|
No
|
|
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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).
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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
|
|
|
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.
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Any ADC channel reference is above the maximum rational value.
|
The vehicle is blocked from shifting out of Park.
|
No
|
|
|
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.
|
No
|
|
|
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery power supply undervoltage event.
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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)
|
No
|
|
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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 motor speed measured by the Drive Unit resolver does not match the Anti-lock Braking System (ABS) wheel speed sensors.
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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.
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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 Unit resolver (motor speed sensor) has detected the motor exceeding typical speed.
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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 phase gate drive has detected four fault related signals from the induction motor or ten from the magnet motor.
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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.
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The phase gate drive fault counter may block any power stage from enabling. The drive unit may not function as expected.
|
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
|
|
|
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 drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that requires it to trigger system limp mode.
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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
|
|
|
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
|
No
|
|
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Drive Inverter Warning: Heatsink sensor bad
|
Abnormal temperature measurements from heatsink sensor
|
Unable to monitor heatsink sensor temperature
|
No
|
|
|
Drive Inverter Warning: Heatsink under temperature
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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 over temperature
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Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold
|
No direct impact. Could damage drive inverter if temperature is continuously too high.
|
No
|
|
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Drive Inverter Warning: Ambient sensor bad
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Abnormal temperature measurements from ambient sensor
|
Unable to monitor ambient sensor temperature
|
No
|
|
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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 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: 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
|