Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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Drive Inverter Warning: Low flow rate of fluid
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Insufficient cooling to the drive inverter is detected
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Drive unit enters unit limp mode (see DI_a126_limpMode)
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No
|
|
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Drive Inverter Warning: Oil pump operation abnormal
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Loss of communication or power to oil pump, or persistent oil pump motor stall or fault occurred
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Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling
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No
|
|
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Drive Inverter Warning: Unit limp mode triggered
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Abnormal condition detected within drive unit subsystem. Look at limpReason in alert for exact trigger.
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Drive system performance severely reduced (torque/power limited)
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No
|
|
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Drive Inverter Warning: Loss of motor control
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Motors are not responding to DI commands
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Unable to produce torque/power from drive unit
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No
|
|
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Drive Inverter Warning: Unit may not allow drive on the next drive cycle due to HW damage
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Inverter detects a shorted switch
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Inverter may not allow drive on next drive cycle
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No
|
|
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The High Voltage (HV) bus has measured a voltage drop in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.
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The HV bus has measured a voltage drop in the HV battery pack. DIx may not operate as expected.
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DIx may not operate as expected. Drive torque may be restricted.
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No
|
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The Drive Inverter (DIx) has detected a quantity of torque production that indicates Drive Unit wear.
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DIx has detected a quantity of torque production that indicates Drive Unit wear.
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The Drive Unit may have wear resulting from torque production. The vehicle may enter launch mode torque.
|
No
|
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The drive inverter (DIx) electronic control unit (ECU) detects that the left vehicle controller (VCLEFT) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the VCLEFT, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the VCLEFT.
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No
|
|
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Drive Inverter Warning: Motor control is out of regulation
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Motor regulation fails to meet command inputs
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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 Gateway configuration mismatch with the application currently running on the DI.
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Set if any of the checked gateway config is not as expected.
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The vehicle enters system limp mode and is unable to enter Drive.
|
No
|
|
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The drive inverter (DIx) electronic control unit (ECU) detects that the Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the EGGRIGHT3, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the EGGRIGHT3.
|
No
|
|
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The Drive Inverter (DIx) has detected an error communicating with the Serial Peripheral Interface (SPI), which monitors the pedal monitor.
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DIx has detected an error communicating with SPI, which monitors the pedal monitor. There may be a condition affecting SPI.
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DIx may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.
|
No
|
|
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The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).
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The DI ECU receives irrational or no data from the WSS.
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This alert is primarily informational. If it persists, traction control may become unavailable.
|
No
|
|
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The Drive Inverter (DIx) has detected the capacitor is over temperature.
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DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.
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The flow of current between the capacitors and DIx may not function as expected.
|
No
|
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Drive Unit Graceful Power Off (GPO) has been triggered. The Drive Unit will lose current input from the High Voltage (HV) battery.
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Drive Unit GPO has been triggered. The Drive Unit will lose current input from the HV battery.
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The Drive Unit will ramp down all torque production. The Drive Unit may not function as expected.
|
No
|
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Drive Inverter Warning: High Speed Wear Counter Exceeded
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Number of qualified high speed events above allowed threshold
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Silent alert to track mechanical wear
|
No
|
|
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Alert for software trigger of mechanical safe state two-phase disconnect device.
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Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.
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The motor is permanently disabled.
|
No
|
|
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The drive interface (DI) electronic control unit (ECU) detects that the high voltage processor (HVP) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the HVP, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the HVP, and active discharge may turn on.
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No
|
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The Drive Inverter (DIx) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.
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The DIx node is MIA on CAN for one or more messages. The DIx node or DIx may have a condition affecting functionality.
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DIx may not be able to communicate with the High Voltage Processor (HVP).
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No
|
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The three Drive Inverter (DIx) heat sink sensors are not functioning. The DIx heat sink sensors monitor temperature in the motor and fluid port.
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The three DIx heat sink sensors are not functioning. The DIx heat sink sensors may have a condition affecting functionality.
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Since it cannot detect temperature as expected, DIx may limit power output to an operational level. Drive Unit performance may be impacted.
|
No
|