Alerts

Alerts

Signal Name Description Condition Impact
The Drive Inverter (DIx) has detected a quantity of torque production that indicates Drive Unit wear.
DIx has detected a quantity of torque production that indicates Drive Unit wear.
The Drive Unit may have wear resulting from torque production. The vehicle may enter launch mode torque.
The drive inverter (DIx) electronic control unit (ECU) detects that the left vehicle controller (VCLEFT) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the VCLEFT, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the VCLEFT.
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.
Set if any of the checked gateway config is not as expected.
The vehicle enters system limp mode and is unable to enter Drive.
The drive inverter (DIx) electronic control unit (ECU) detects that the Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the EGGRIGHT3, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the EGGRIGHT3.
The Drive Inverter (DIx) has detected an error communicating with the Serial Peripheral Interface (SPI), which monitors the pedal monitor.
DIx has detected an error communicating with SPI, which monitors the pedal monitor. There may be a condition affecting SPI.
DIx may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.
The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).
The DI ECU receives irrational or no data from the WSS.
This alert is primarily informational. If it persists, traction control may become unavailable.
The Drive Inverter (DIx) has detected the capacitor is over temperature.
DIx has detected the capacitor is over temperature. The pack contactors may have a condition affecting functionality.
The flow of current between the capacitors and DIx may not function as expected.
The three Drive Inverter (DIx) heat sink sensors are not functioning. The DIx heat sink sensors monitor temperature in the motor and fluid port.
The three DIx heat sink sensors are not functioning. The DIx heat sink sensors may have a condition affecting functionality.
Since it cannot detect temperature as expected, DIx may limit power output to an operational level. Drive Unit performance may be impacted.
The Drive Inverter (DIx) node is Missing in Action (MIA) on Controller Area Network (CAN) for one or more messages.
The DIx node is MIA on CAN for one or more messages. The DIx node or DIx may have a condition affecting functionality.
DIx may not be able to communicate with the High Voltage Processor (HVP).
Drive Inverter Warning: High Speed Wear Counter Exceeded.
Number of qualified high speed events above allowed threshold
Silent alert to track mechanical wear
The Drive Inverter (DIx) Electronic Control Unit (ECU) detects no phase current.
The DIx ECU detects no phase current. The phase lugs, stator, rotor, or DIx may have a condition affecting functionality.
Without phase current, DIx cannot produce motor torque to rotate the wheels. The vehicle's drive cycle may not function as expected, or at all.
The Drive Inverter (DIx) Electrically Erasable Programmable Read-Only Memory (EEPROM) has reported phase sensor calibration is outside valid range.
The DIx EEPROM has reported phase sensor calibration is outside valid range.
This alert is primarily for logging purposes and appears in conjunction with other alerts.
The drive interface (DI) electronic control unit (ECU) detects that the electronic parking brake (EPB) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the EPB, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the EPB.
The Drive Unit is not able to transition to Drive state. There may be a condition preventing the Drive Unit from transitioning states.
The Drive Unit is not able to transition to Drive state. There may be a condition preventing the Drive Unit from transitioning states.
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.
The Drive Inverter (DIx) has detected an error communicating with the Field Programmable Gate Array (FPGA).
DIx has detected an error communicating with FPGA. There may be a condition affecting the DIx control board functionality.
The DIx Gate Drive Unit may not be able to receive data from the Pedal Monitor. The vehicle's drive cycle may not function as expected.
Drive Inverter Warning: Low flow rate of fluid.
Insufficient cooling to the drive inverter is detected
Drive unit enters unit limp mode (see DI_a126_limpMode)
The Drive Inverter (DIx) has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.
The DIx has detected a DIx thread executing later than expected. The DIx CPU may be diverting resources towards other tasks.
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 an electrically erasable programmable read-only memory (EEPROM) read/write access error. Check for other alerts that may be set as a result.
There are read/write issues to EEPROM.
The DI is not able to store any record in EEPROM where the error is located, which impacts functionality on the next boot up.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects a memory check error.
The bootloader cyclic redundancy check (CRC) or application CRC is not expected, or the RAM constants do not match with initialization segment in flash.
The DI processor may reset, and other functionality may be impacted due to memory corruption.
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).
The DI ECU is not receiving the expected CAN communication from the BMS, and considers it irrational or MIA.
The DI ECU is unable to monitor the state of the BMS.