Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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The Drive Interface (DI) processor has detected an internal exception.
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The DI core detects an abort data exception. Alert log signal data provides information on the specific condition(s) detected.
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This alert is primarily informational and is used for logging purposes.
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No
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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.
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There are read/write issues to EEPROM.
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The DI is not able to store any record in EEPROM where the error is located, which impacts functionality on the next boot up.
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No
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The drive interface (DI) electronic control unit (ECU) detects an electrically erasable programmable read-only memory (EEPROM) error. Check for other alerts that may be set as a result.
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There are EEPROM record issues, such as corruption, an invalid cyclic redundancy check (CRC), or an invalid record size.
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The DI is not able to store any record in EEPROM where the error is located, which impacts functionality on the next boot up.
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No
|
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One or more of the messages the Drive Inverter (DI) Electronic Control Unit (ECU) receives periodically from the Decoupled Brake Booster (BB) ECU is not received, indicating the BB ECU may be unavailable (MIA).
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One or more of the expected messages from the BB ECU is not received.
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Regenerative-friction brake torque blending functionality may be limited or unavailable.
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No
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The charge port (CP) electronic control unit (ECU) reports irrational proximity voltage to the drive interface (DI) electronic control unit (ECU), indicating that the CP latch may not have disengaged.
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The CP ECU reports irrational proximity voltage to the DI ECU.
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The vehicle cannot enter Drive.
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No
|
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The drive interface (DI) electronic control unit (ECU) detects Trailer Brake Control functionality may be reduced.
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Trailer brake control is in a backup state due to one or more invalid system input(s). Alert log signal data should provide more information on any invalid input(s) detected.
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Trailer brake control is in a backup state that mimics a time delay brake controller. Trailer brakes are applied when the driver presses the brake. This can be reduced with the gain. The vehicle should be driven with caution.
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No
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The drive interface (DI) electronic control unit (ECU) detects that the charge port (CP) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the CP, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the CP.
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No
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The drive interface (DI) electronic control unit (ECU) detects Trailer Brake Control functionality is unavailable.
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Trailer brake control is unavailable due to one or more invalid system input(s). Alert log signal data should provide more information on any invalid input(s) detected.
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Trailer brake control is not available. The vehicle should be driven with extreme caution.
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No
|
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The Drive Interface (DI) processor has detected an internal exception. This alert does not on its own indicate a symptom or root cause.
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The DI processor detects an exception.
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This alert is primarily informational and is used for logging purposes.
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No
|
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The drive interface (DI) electronic control unit (ECU) detects that the electronic parking brake (EPB) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the EPB, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the EPB.
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No
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Drive Inverter Warning: PPB CAN node MIA.
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DI is not receiving required feedback CAN messages from PPB
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Unable to monitor PPB state
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No
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Drive Inverter Warning: SAS CAN node MIA.
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DI is not receiving required feedback CAN messages from SAS
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Unable to monitor SAS state
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No
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The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).
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The DI ECU receives irrational or no data from the WSS.
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This alert is primarily informational. If it persists, traction control may become unavailable.
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No
|
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The drive interface (DI) electronic control unit (ECU) automatically shifted to Park after vehicle was in stationary hold for prolonged time.
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The DI ECU automatically requests park if vehicle has been in stationary hold for 9.5 minutes.
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Vehicle is shifted into park.
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No
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The drive interface (DI) electronic control unit (ECU) detects that the Secondary Electric Power Steering (SEPS) controller area network (CAN) node is missing (MIA).
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The DI ECU is not receiving the expected CAN communication from the SEPS, and considers it irrational or MIA.
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The DI ECU is unable to monitor the state of the SEPS.
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No
|
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The drive interface (DI) electronic control unit (ECU) is limiting the top vehicle speed after a certain amount of time to protect the drive system from wear.
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The DI ECU detects that vehicle speed exceeded 135mph (215km/h), or 145mph (230km/h) for performance vehicles, for more than 1 minute.
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After 1 minute above the upper speed threshold, the DI ECU slows the vehicle down to the threshold speed.
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No
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The charge port (CP) electronic control unit (ECU) reports proximity voltage that indicates that there is a charge cable connected to the vehicle.
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The CP reports proximity voltage that indicates that a charge cable is connected to the vehicle.
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The vehicle cannot enter Drive.
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No
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The drive interface (DI) electronic control unit (ECU) detects a condition affecting the brake pedal sensor.
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The DI ECU detects that the state of either normally-opened (NO) or normally-closed (NC) switches are irrational for at least 300ms.
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This alert informs service of irrational pedal sensor states.
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No
|
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The drive interface (DI) electronic control unit (ECU) detects an issue with the accelerator pedal sensor track 2, indicating that the DI may not be able to accurately track pedal position.
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The DI ECU receives irrational input from accel track 2.
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The vehicle cannot drive.
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No
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The drive interface (DI) electronic control unit (ECU) detects an issue with the accelerator pedal sensor track 1, indicating that the DI may not be able to accurately track pedal position.
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The DI ECU receives irrational input from accel track 1.
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The vehicle cannot drive.
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No
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