Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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The front vehicle controller (VCFRONT) detects an eFuse lockout is active (via voltage measurement of the lockout circuit) when the right vehicle controller (VCRIGHT) is not reporting an eFuse lockout is active.
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The VCFRONT detects voltage on the eFuse lockout circuit (nominal 5V on eFuse lockout circuit for 2 seconds) when VCRIGHT has not reported the lockout circuit as active.
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If the eFuse lockout circuit is enabled unexpectedly, VCFRONT cannot enable or disable the low voltage (LV) power feed to other controllers. Vehicle features and functions relying on power supply via VCFRONT may be unavailable. Vehicle software updates may not complete successfully.
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No
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The coolant valve has stalled while trying to reach a specific angle target. Cabin HVAC / climate control cooling (air conditioning) may be limited and drive power may be reduced.
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Coolant valve has stalled when attempting to reach an angle target.
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Cabin HVAC / climate control cooling (air conditioning) may be limited. Drive power may also be limited due to low coolant flow, and a separate alert will be present to indicate this condition.
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No
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One or more of the messages the vehicle controller receives periodically from the right headlamp controller is not received, indicating the right headlamp controller may be unavailable (MIA).
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The vehicle controller does not receive one or more of the expected messages from the right headlamp controller within the expected time frame over the local interconnect network (LIN).
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The right headlamp may be unavailable or may not function as expected.
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No
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The vehicle controller detects the front louver, or active grill shutter (AGS), motor is disconnected.
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The front louver motor is disconnected for more than 30 seconds.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
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The vehicle controller detects a condition affecting the refrigerant compressor, which may prevent the refrigerant compressor from running as expected. This alert is set in addition to one or more alert(s) indicating a specific condition affecting refrigerant compressor functionality.
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At least one additional alert is present indicating a condition affecting refrigerant compressor functionality. Alert log signal data should provide more information on the specific condition(s) detected.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
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One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).
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One or more of the expected messages from the PCS ECU is not received.
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The vehicle may be unable to charge.
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No
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The vehicle controller detects the thermal fan motor is unable to reach the target RPM, which may prevent the thermal fan from running as expected.
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The thermal fan motor is unable to reach the target RPM.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
|
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The vehicle controller detects the front louver, or active grill shutter (AGS), is reporting a blockage.
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The front louver does not pass the calibration range check after 5 calibration cycles due to under-travel.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
|
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One or more expected Controller Area Network (CAN) messages from the Park Assist (PARK) electronic control unit (ECU) was not received. Autopark and Summon functions may be unavailable, or their performance may be affected.
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An expected CAN message from the Park Assist (PARK) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the park assist ECU is CAN active. The PARK ECU is considered CAN active when VCFRONT_chGoToSleep is 0 AND VCFRONT_parkLVState is LV_ON.
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Autopark and Summon functions may be unavailable, or their performance may be affected.
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No
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One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).
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One or more of the expected messages from the EPAS3P ECU is not received.
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Vehicle functions that depend on the EPAS3P may be unavailable or may not function as expected.
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No
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The vehicle controller detects the front louver, or active grill shutter (AGS), is unable to calibrate and traveled farther than the expected range without reaching the end stop, indicating the front louver may be damaged.
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The front louver does not pass the calibration range check after 5 calibration cycles due to over-travel.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
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No
|
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One or more of the messages the vehicle controller receives periodically from the left headlamp controller is not received, indicating the left headlamp controller may be unavailable (MIA).
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The vehicle controller does not receive one or more of the expected messages from the left headlamp controller within the expected time frame over the local interconnect network (LIN).
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The left headlamp may be unavailable or may not function as expected.
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No
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One or more of the messages the vehicle controller receives periodically from the onboard charger (CHG) electronic control unit (ECU) is not received, indicating the CHG ECU may be unavailable (MIA).
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The vehicle controller does not receive one or more of the expected messages from the CHG ECU within the expected time frame.
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Charging may not start or may be interrupted unexpectedly.
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No
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One or more of the messages the vehicle controller receives periodically from the 1st row passenger occupancy classification system (OCS1P) electronic control unit (ECU) is not received, indicating the OCS1P ECU may be unavailable (MIA).
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One or more of the expected messages from the OCS1P ECU is not received.
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Vehicle functions that depend on the OCS1P may be unavailable or may not function as expected.
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No
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The headlamp control module has detected an electrical problem.
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A short to VBAT is detected in the left or right headlamp module.
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One or both headlamps may not function.
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No
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The headlamp control module has detected an electrical problem.
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A phase in the left or right headlamp module is not enabling.
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One or both headlamps may not function.
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No
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The headlamp control module has detected an electrical problem.
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An undervoltage is detected on the left or right headlamp.
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One or both headlamps may not function.
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No
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An issue is indicated from the non-volatile memory manager.
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Non-volatile memory misconfiguration or underlying flash/filesystem error.
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Non-volatile memory records may be incorrect or missing.
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No
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An input source for the adaptive headlights experienced an unexpected condition and is unavailable. The adaptive headlights are unavailable.
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An input source for the adaptive headlights experienced an unexpected condition and is unavailable.
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Adaptive headlights will be unavailable.
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No
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An input source for the adaptive headlights experienced an unexpected condition and is unavailable. The adaptive headlights are unavailable.
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An input source for the adaptive headlights experienced an unexpected condition and is unavailable.
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Adaptive headlights will be unavailable.
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No
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