Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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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.
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No
|
|
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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.
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The motor is exceeding typical speed. The motor and Drive Unit may not function as expected.
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No
|
|
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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.
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No
|
|
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The torque production safety monitor has detected excess torque production and inhibited Drive Inverter (DIx) torque production for the remainder of the drive cycle.
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The torque production safety monitor has detected excess torque production and inhibited DIx torque production for the remainder of the drive cycle.
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The torque production safety monitor will inhibit torque and excess heat production for the remainder of the drive cycle.
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No
|
|
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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.
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The performance (torque and power of the drive system) is severely limited.
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No
|
|
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Drive Inverter Warning: Heatsink sensor bad.
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Abnormal temperature measurements from heatsink sensor
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Unable to monitor heatsink sensor temperature
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No
|
|
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Drive Inverter Warning: Heatsink under temperature.
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Heatsink temperature (refer to heatsinkTemp) drops below lower temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too low.
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No
|
|
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Drive Inverter Warning: Heatsink over temperature.
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Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too high.
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No
|
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Drive Inverter Warning: Ambient sensor bad.
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Abnormal temperature measurements from ambient sensor
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Unable to monitor ambient sensor temperature
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No
|
|
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Drive Inverter Warning: Ambient under temperature.
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Ambient temperature (refer to pcbTemp) drops below lower temperature threshold
|
No direct impact. Could damage drive inverter if temperature is continuously too low.
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No
|
|
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Drive Inverter Warning: Ambient over temperature.
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Ambient temperature (refer to pcbTemp) exceeds upper temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too high.
|
No
|
|
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The Drive Inverter (DIx) and Pedal Monitor (PM) estimate different amounts of torque production, causing a Cross Check mismatch.
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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.
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The vehicle may not accurately measure the level of torque being produced by the Drive Unit.
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No
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Drive Inverter Warning: Inverter over temperature.
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Drive Inverter temperature (refer payload signals for temperatures) exceeds upper temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too high.
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No
|
|
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Drive Inverter Warning: Hardware latched fault response in an unexpected state.
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Measured latched fault response does NOT match with expected request from DI
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In the event of a sudden LV loss at speed, latched fault response may not match expectations, exposing drive unit to unexpected torque
|
No
|
|
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Drive Inverter Warning: No Stator sensor available.
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All stator sensors are giving abnormal measurements
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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: Stator sensor 1 bad.
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Abnormal temperature measurements from stator sensor 1
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Stator sensor 2 will be used instead (if available)
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No
|
|
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Drive Inverter Warning: Stator over temperature.
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Stator temperature exceeds upper temperature threshold
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No direct impact. Could damage drive unit if temperature is continuously too high.
|
No
|
|
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Drive Inverter Warning: Outlet sensor bad.
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Abnormal temperature measurements from DI coolant outlet sensor
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Unable to monitor DI coolant outlet sensor temperature
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No
|
|
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Drive Inverter Warning: Outlet under temperature.
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DI coolant outlet temperature (refer to outletTemp) drops below lower temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too low.
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No
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Drive Inverter Warning: Outlet over temperature.
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DI coolant outlet temperature (refer to outletTemp) exceeds upper temperature threshold
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No direct impact. Could damage drive inverter if temperature is continuously too high.
|
No
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