Alerts
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| Signal Name | Description | Condition | Impact |
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when the RAM ECC check failed. This diagnostic is the handling of the exception thrown by the RAM ECC modules, when it encountered a multibit RAM fault.
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EPAS RAM ECC module detected multibit RAM fault.
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EPAS reset
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This alert is reported by the ActuatorManager_R12 (AM) component when there is a GDU or GDU-MCU connection problem. This diagnostic checks if the microcontroller is able to switch off the GDU.
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EPAS Gate Driver switch-off test by MCU fails. GDU is unable to switch off the GDU.
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EPAS full loss of assist.
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This alert is reported when there is a ADC failure, MCU failure.
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EPAS uC peripheral ADC acquisition failure at runtime.
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EPAS reset
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This alert is reported by the TemperatureDiagnostics_R12 component when there is a DC-link capacitor overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.
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EPAS application actuator temperature diagnostics detected overtemperature (capacitor).
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EPAS full loss of assist.
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This alert is reported when there is a ADC failure, MCU failure.
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EPAS uC peripheral ADC current measurement trigger failure at runtime.
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EPAS reset. If reset more than 5 times then EPAS full loss of assist.
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This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a floating point exception.
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EPAS application component ExceptionHandler detected floating point exception caused by uC peripheral FPU.
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EPAS reset
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This alert is reported by the PWMDriverCD_TC3x component when the control cycle and tasking cycle synchronization mismatch.
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EPAS application component PWM monitor detected failure (control cycle and tasking cycle synchronization mismatch).
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EPAS reset. If reset more than 5 times then EPAS full loss of assist.
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This alert is reported by the GDUDriverHAL_A4918 (GDUH) component when SPI buffer overflow, DMA status is not OK.
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EPAS ECU GDU device monitor detected failure (serial communication buffer overflow).
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EPAS reset
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This alert is reported by the DeadlineMonitor_R12 (DM) component when at least one of the monitored tasks didn't finish or finished multiple times during it's configured time frame.
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EPAS application operating system monitor detected task timeout or task finished multiple times during it's configured time frame on Core0.
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EPAS reset
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This alert is reported by the DeadlineMonitor_R12 (DM) component if the elapsed time between two runnable calls is out of the tolerated range, then Safety Reset is initiated.
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EPAS application operating system monitor detected runnable timeout on Core0.
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EPAS reset
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This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is an unknown exception.
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EPAS application component ExceptionHandler detected unregistered uC exception by ASIL D partition.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when an unused alarm was triggered.
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EPAS application component ResetHandler detected unregistered alarm.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component if various misc error detection alarms.
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EPAS application component ResetHandler detected unexpected uC alarm.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is various data integrity (ECC) alarms. The MCU has a number of reset sources. This diagnostic symbolizes those of them. Some are not required as diagnostic by the safety concept, yet they exists in the MCU. Some are required, but very microcontroller specific.
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EPAS uC memory corruption (ECC) detected (data integrity alarms check) fails.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is a flash memory read failure.
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EPAS uC memory read access failed (FLASH).
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is an internal overvoltage detection. This diagnostic handles the overvoltage events reported by the PMS (Power Management System).
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EPAS ECU power monitoring detected overvoltage.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is a internal undervoltage detection. This diagnostic handles the undervoltage events reported by the PMS (Power Management System).
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EPAS ECU power monitoring detected undervoltage.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component on die temperature sensor out of range.
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EPAS uC die temperature sensor reports value out of range.
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EPAS reset
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This alert is reported by the HwResetHandler_TC3x (RSTH) component when there is a Lockstep failure: cores no longer synchronized or provided different values.
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EPAS uC dual core lockstep fault (cores no longer sync).
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EPAS reset
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This alert is reported by the TemperatureSensorPowerModule_R12 (TSPM) component when the power module temperature sensor comparison failed.
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EPAS ECU actuator monitor detected failure (power module temperatue plausibility check).
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EPAS full loss of assist.
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