Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Drive Inverter Warning: Battery over voltage detected in hardware.
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HV bus voltage exceeds set upper voltage threshold
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Unable to produce torque/power from drive unit
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a low voltage (LV) battery undervoltage event.
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LV supply voltage to DI is disconnected or drops below lower voltage threshold.
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The DI ECU triggers limp mode (see separate limpMode alerts) and cannot produce torque or power.
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that leads to the pedal monitor (PM) disabling powertrain.
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The PM detects a condition that requires it to intervene and disable powertrain.
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Vehicle drive torque is immediately disabled.
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The Drive Inverter (DIx) power stage has applied a safe state.
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The DIx power stage has applied a safe state.
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Some DIx features may be disabled, or may not function expected. The Drive Unit may not function as expected.
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The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error with Active Driveline Damping (ADD).
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The DIx ECU has detected an error with ADD.
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Gear train and drive line thuds and noise typically dampened by ADD may be more noticeable.
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a RAM read or embedded conveyor controller (ECC) flash fetch issue.
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The DI ECU detects an uncorrectable flash or RAM error.
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This alert is for diagnostic logging purposes only.
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Drive Inverter Warning: HVIL not CLOSED.
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HVIL is no longer CLOSED
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Contactors may not close
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The Drive Inverter (DIx) power stage is not ready. There may be a condition affecting the DIx control board.
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The DIx power stage is not ready. One of the pre-drive gate driver checks has failed. There may be a condition affecting the DIx control board.
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DIx may not function as expected.
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) resets for an unintended reason, such as a watchdog timeout.
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The DI ECU resets for an unintended reason. Alert log signal data should provide more information on the specific reason.
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The DI ECU is unavailable while it resets.
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Drive Inverter Warning: Motor stator anomaly detected.
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Stator anomaly observed during retry attempt
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Drive unit may fault
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The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase C.
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The DIx current sensor hardware comparator has detected a peak on Phase C.
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DIx may be inoperable.
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The Drive Inverter (DIx) current sensor hardware comparator has detected an overcurrent event (or peak) on Phase B.
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The DIx current sensor hardware comparator has detected a peak on Phase B.
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DIx may be inoperable.
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The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase C.
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DIx has detected a condition affecting functionality at the gate driver on Phase C. View payload signal to confirm reason for alert.
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DIx may be inoperable.
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The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase B.
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DIx has detected a condition affecting functionality at the gate driver on Phase B. View payload signal to confirm reason for alert.
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DIx may be inoperable.
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The Drive Inverter (DIx) has detected a condition affecting functionality at the gate driver on Phase A.
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DIx has detected a condition affecting functionality at the gate driver on Phase A. View payload signal to confirm reason for alert.
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DIx may be inoperable.
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One or more of the controller area network (CAN) messages the differential locker (DFLK) expects to receive from the Restraint Control Module (RCM) is not received, indicating the RCM may be unavailable (MIA).
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DFLK is not receiving all expected CAN frames from the RCM.
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DFLK is unable to utilize the unlocked probability signal from RCM.
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Drive Interface (DI) System controller area network (CAN) communication to the differential locker (DFLK) is missing (MIA).
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DFLK is not receiving all expected CAN frames from the DI System.
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DFLK is unable to utilize the unlocked probability signal from DI System and may not be able to auto-calibrate.
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Vehicle Controller (VC) LV Power State controller area network (CAN) communication to the differential locker (DFLK) is missing (MIA).
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DFLK is not receiving all expected CAN frames from the vehicle controller.
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DFLK is unable to determine whether the vehicle controller expects it to be receiving LV power.
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Differential Locker (DFLK) printed circuit board (PCB) temperature sensor is reporting an irrational value.
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DFLK PCB temperature sensor consistently reports an irrational value.
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DFLK is unable to properly sense PCB temperature
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Differential Locker (DFLK) input voltage sensor is reporting an irrational value.
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DFLK input voltage sensor consistently reports an irrational value.
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DFLK is unable to properly sense input voltage
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