Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.
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Estimated resistance on the input power feed to the vehicle controller is higher than expected.
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The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.
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No
|
|
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One or more of the messages the vehicle controller receives periodically from the Tire Pressure Monitoring System (TPMS) electronic control unit (ECU) is not received, indicating the TPMS ECU may be unavailable (MIA).
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One or more of the expected messages from the TPMS ECU is not received.
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Vehicle functionality depending on the TPMS ECU may be limited or unavailable.
|
No
|
|
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One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).
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The vehicle controller does not receive one or more of the expected messages from the HVBMS ECU within the expected time frame.
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The vehicle may be unable to drive or charge.
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No
|
|
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Alert indicating that there has been an init issue related to the sensor
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When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
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No
|
|
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Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
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Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
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One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received over the interprocessor controller area network (IPC), indicating the VCLEFT may be unavailable (MIA).
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One or more of the expected messages from the VCLEFT is not received over the IPC.
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Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.
|
No
|
|
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Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
|
Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
|
Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
|
One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).
|
One or more of the expected messages from the HVP ECU is not received.
|
Vehicle may be unable to drive. Charging may be limited or unavailable.
|
No
|
|
|
One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).
|
One or more of the expected messages from the DIF ECU is not received.
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Vehicle speed and power may be limited. Thermal management system features depending on DIF functionality may be limited or unavailable.
|
No
|
|
|
Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
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More than half of the ECUs on a either the VEH or PARTY bus are missing more than half their messages while the bus should be active
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If 50% or more of the ECUs the local ECUs listens to are MIA, and the local ECU receives from more than 3 ECUs on this bus. An ECU is MIA if more than 50% of its messages are MIA and that ECU is considered CAN active (see specific ECU's MIA alert for CAN active conditions).
|
Vehicle functionality may be degraded.
|
No
|
|
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Unexpected fault in a E52142 chip
|
The E52142 chip is reporting a fault condition
|
Corrupted data for E52417 devices
|
No
|
|
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Unexpected fault in a E52417 device
|
The E52417 device is reporting a fault condition
|
Corrupted data for E52417 devices
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No
|
|
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Alert indicating that there has been an init issue related to the sensor
|
When any error bit is set by the sensor
|
Sensor function will be impaired, park assist features will be disabled.
|
No
|
|
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Alert indicating that the sensor is disconnected
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When the sensor is disconnected
|
Park assist features will be disabled.
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No
|
|
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Warns if the processor has experienced a reset due to watchdog reset.
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A watchdog (external or internal) was not serviced in time.
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Controller is MIA for some time.
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No
|
|
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Alert indicating that the sensor is disconnected
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When the sensor is disconnected
|
Park assist features will be disabled.
|
No
|