Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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Drive Inverter clutch engagement retries expired.
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Drive Inverter clutch engagement retries expired
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Drive Inverter clutch may not successfully engage
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The High Voltage (HV) bus has detected a voltage anomaly 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 anomaly 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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The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the IBST, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the IBST.
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The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the restraints control module (RCM) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the RCM, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the RCM.
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The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the VCSUPER, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the VCSUPER.
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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 interface (DI) electronic control unit (ECU) detects that the front vehicle controller (VCFRONT) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the VCFRONT, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the VCFRONT.
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The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.
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The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.
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The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.
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The Drive Inverter (DIx) has detected unexpected oil pressure from the oil pump.
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DIx has detected unexpected oil pressure from the oil pump. The oil pump may have a condition affecting functionality.
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Drive Unit thermal estimation and limits may be impacted and not function as expected. Torque production could be limited.
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The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error communicating with the Local Interconnect Network (LIN).
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The DIx ECU has detected an error communicating with LIN. The DIx LIN node(s) or LIN signal-carrying wire may have a condition affecting functionality.
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DIx and the oil pump communicate through LIN. DIx may not communicate with the oil pump as expected.
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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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