Alerts

Alerts

Signal Name Description Condition Impact
Drive Inverter Slave Fault: Phase A current sensor bad
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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).
The DI ECU is not receiving the expected CAN communication from the VCFRONT, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the VCFRONT.
Alert for software trigger of mechanical safe state two-phase disconnect device.
Software detects a shorted semiconductor switch. The alert log signals provide detailed trigger algorithm info.
The motor is permanently disabled.
Drive unit spindown learning calibration routine is in progress.
Drive unit rotor offset, rotor flux, or resolver error learning routine is in progress.
Drive unit torque is limited and pending spindown sequence.
The drive interface (DI) electronic control unit (ECU) detects that the Tesla air suspension (TAS) controller area network (CAN) node is missing (MIA).
The DI ECU does not receive the expected CAN messages from TAS.
TAS may be unavailable.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the power conversion system (PCS) controller area network (CAN) node is missing (MIA).
The DI ECU does not receive the expected CAN messages from the PCS.
The DI ECU is unable to monitor the state of the PCS.
The Drive Inverter (DIx) has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.
DIx has missed 3 to 5 messages from the main controller. DIx will maintain the last commanded torque value, then 0 Nm.
This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a condition that prevents the drive unit(s) from generating excess heat. Alert log signal data provides information on the specific condition(s) detected.
The drive unit(s) cannot produce excess heat when requested.
Spindown learning is complete. This alert indicates to the driver that they can press the brake to finish the routine.
Sets when spindown learning is complete. The brake can be pressed to bring the vehicle to a stop.
User receives audible feedback during a calibration routine.
Drive Inverter Warning: Unit may not allow drive on the next drive cycle due to HW damage.
Inverter detects a shorted switch
Inverter may not allow drive on next drive cycle
The drive interface (DI) electronic control unit (ECU) detects that the electronic power assisted steering, gen 3 (EPAS3) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the EPAS3, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the EPAS3.
The High Voltage (HV) bus has detected a voltage anomaly in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.
The HV bus has measured a voltage anomaly in the HV battery pack. DIx may not operate as expected.
DIx may not operate as expected. Drive torque may be restricted.
The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the IBST, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the IBST.
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).
The DI ECU is not receiving the expected CAN communication from the RCM, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the RCM.
The drive inverter (DIx) electronic control unit (ECU) detects that the Supermanifold Vehicle Controller (VCSUPER) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the VCSUPER, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the VCSUPER.
The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.
The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.
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.
The Drive Inverter (DIx) has detected unexpected oil pressure from the oil pump.
DIx has detected unexpected oil pressure from the oil pump. The oil pump may have a condition affecting functionality.
Drive Unit thermal estimation and limits may be impacted and not function as expected. Torque production could be limited.
The Drive Inverter (DIx) Electronic Control Unit (ECU) has detected an error communicating with the Local Interconnect Network (LIN).
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.
DIx and the oil pump communicate through LIN. DIx may not communicate with the oil pump as expected.
The High Voltage (HV) bus has measured a voltage drop in the HV battery pack. The Drive Inverter (DIx) may not operate as expected.
The HV bus has measured a voltage drop in the HV battery pack. DIx may not operate as expected.
DIx may not operate as expected. Drive torque may be restricted.
Drive Inverter Warning: Oil pump failure.
Loss of communication or power to oil pump, persistent oil pump motor stall occurred, or persistent condition affecting oil pump functionality detected
Initiates reduced drive unit performance and a speed limit on the vehicle, due to reduced gear lubrication and motor cooling