Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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Drive has been requested while a charge cable is connected to the vehicle. The vehicle cannot enter drive until the charge cable has been disconnected.
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Drive request while a charge cable is connected to the vehicle.
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Vehicle will not drive until the charge cable is disconnected.
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No
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The vehicle controller detects the chiller pump motor is unable to reach the target RPM, which may prevent the chiller pump from running as expected.
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The chiller pump motor is unable to reach the target RPM.
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Powertrain performance may be limited.
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No
|
|
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The vehicle controller detects the powertrain pump motor is unable to reach the target RPM, which may prevent the powertrain pump from running as expected.
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The powertrain pump motor is unable to reach the target RPM.
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Powertrain performance may be limited.
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No
|
|
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The vehicle controller detects the powertrain pump motor is unable to reach the target RPM, which may prevent the powertrain pump from running as expected.
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The powertrain pump motor is unable to reach the target RPM.
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Powertrain performance may be limited.
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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 front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the chiller pump motor issued a circuit warning, which may prevent the chiller pump from running as expected.
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The LV8907 integrated circuit on the on the chiller pump motor issues a circuit warning that prevents the motor controller from driving the motor.
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Powertrain performance may be limited.
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No
|
|
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The vehicle controller detects the chiller pump motor is unable to reach the target RPM, which may prevent the chiller pump from running as expected.
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The chiller pump motor is unable to reach the target RPM.
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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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The vehicle controller detects the LV8907 integrated circuit on the thermal fan motor issued a circuit warning, which may prevent the thermal fan from running as expected.
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The LV8907 integrated circuit on the thermal fan motor issues a circuit warning that prevents the motor controller from driving the motor.
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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 front vehicle controller (VCFRONT) detects the LV8907 integrated circuit on the powertrain pump motor issued a circuit warning, which may prevent the powertrain pump from running as expected.
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The LV8907 integrated circuit on the on the powertrain pump motor issues a circuit warning that prevents the motor controller from driving the motor.
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Powertrain performance may be limited.
|
No
|
|
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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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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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The front vehicle controller (VCFRONT) detects the voltage on the lockout circuit is not high enough when the right vehicle controller (VCRIGHT) reports the lockout circuit active, indicating the eFuse lockout is not successfully asserted.
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VCFRONT detects the voltage on the lockout circuit is not measured at 5V over 2 seconds when VCRIGHT reports that the lockout circuit is active.
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No functionality should be directly affected when eFuse lockout is missing. However, one or more eFuses may toggle between enabled / not enabled states if the VCFRONT is reset and its non-volatile random access memory (NVRAM) does not function as expected. Note: VCFRONT should not attempt to toggle eFuses via the enable line when lockout is asserted, even after a reset.
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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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The front vehicle controller (VCFRONT) detects the refrigerant discharge temperature sensor is experiencing an electrical condition (short or disconnect).
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The refrigerant discharge temperature sensor reads a power rail or ground reference voltage.
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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 front vehicle controller (VCFRONT) detects the powertrain coolant loop inlet temperature sensor is experiencing an electrical condition (short or disconnect).
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The powertrain coolant loop inlet temperature sensor reads a power rail or ground reference voltage.
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Powertrain performance may be limited.
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No
|
|
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The front vehicle controller (VCFRONT) detects the battery coolant loop inlet temperature sensor is experiencing an electrical condition (short or disconnect).
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The battery coolant loop inlet temperature sensor reads a power rail or ground reference voltage.
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Powertrain performance may be limited.
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No
|
|
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The front vehicle controller (VCFRONT) detects the refrigerant suction temperature sensor is experiencing an electrical condition (short or disconnect).
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The refrigerant suction temperature sensor reads a power rail or ground reference voltage.
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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 front vehicle controller (VCFRONT) detects the refrigerant discharge pressure sensor is experiencing an electrical condition (short or disconnect).
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The refrigerant discharge pressure sensor reads a power rail or ground reference voltage.
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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 front vehicle controller (VCFRONT) detects the refrigerant suction pressure sensor is experiencing an electrical condition (short or disconnect).
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The refrigerant suction pressure sensor reads a power rail or ground reference voltage.
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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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