Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case SBC Communication buffer overflow checker. Against systematic SW failures on ExternalPowerManager component.
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SBC Communication buffer overflows (RTE buffer (message queue) overflow in the ExternalPowerManager_A8140x component).
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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 WatchdogHandler_A8140x (WDH) component in case SBC Communication buffer overflow checker. Against systematic SW failures on WatchdogHandler component.
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SBC Communication buffer is overflow (RTE buffer (message queue) overflow in the WatchdogHandler_A8140x component).
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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 SBCStartupCauseProvider_A8140x (SBCSCP) component if external question-answer watchdog (Q&A) fails. MCU SM requires it, against systematic SW faults, and random HW faults of the time base.
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if external question-answer watchdog (Q&A) fails (status_0.WD_Fn_S is cleared).
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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 in case SBC Communication buffer overflow checker. Against systematic SW failures on SystemBasisChipManager component.
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SBC Communication buffer overflows (RTE buffer (message queue) overflow in the SystemBasisChipManager_A8140x component).
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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 SystemBasisChipHAL_A8140x (SBCH) component SBC if the communication check (SBC -> MCU) fails. Against random HW failures of the MCU and communication line including EMC.
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EPAS SBC diagnostics detected SPI failures. Communication check (SBC -> MCU) fails (Wrong ID or CRC failure).
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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 MotorControlDiagnostics_R12 (MCD) component if MTCControlSignal age reached the diagnostic limit.
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EPAS motor control diagnostics detected requested motor torque timeout (signal age reached the diagnostic limit).
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EPAS reset. If reset more than 5 times then EPAS full loss of assist.
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DI_speed - backup vehicle speed - message not received.
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Electronic Power Assist Steering (EPAS) does not receive DI_speed on CAN as expected
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The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.
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The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel rotation message.
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The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
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This alert is reported by the OnlineStackUsageMonitor_R12 (OSUM) component when stack usage on core 0 is almost full.
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EPAS memory usage monitor detected high consumption warning (context switch area on Core0).
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No impact
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This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when the EOL_INTEGRITY in FLASH is wrong.
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EPAS uC internal memory (EOL param storage) integrity failure at startup.
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EPAS full loss of assist.
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This alert is reported by the HwResetHandler_TC3x (RSTH) when the startup test of the protected memory areas has failed.
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EPAS microcontroller internal memory (reset management storage) failure (CRC) at startup.
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EPAS full loss of assist.
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This alert is reported in case a reset is caused by exception on core1.
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EPAS application component ExceptionHandler detected exception (core1) which causes a guarded reset.
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EPAS reset.
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This alert is reported by the PlatformModeProvider_R12 (PMP) component if phase current QualityofService is CS_ERROR and tolerance timeout has elapsed or the PhaseCurrents have latent failure and MotorController is not operating.
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EPAS detected current measurement failures causing offset or saturation in measured bus current (Phase current faulty QoS).
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EPAS full loss of assist.
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This alert is reported by the ActuatorManager_R12 (AM) component when there is a current measurement failure.
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Current measurement failure. Phase current QoS is not set to at least QOS_CS_REDUCED_PRECISON in NoPhaseCurrentQoSDebounce time during StandbyToOn state. EPAS application diagnostics of phase current measurement detected failure.
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EPAS full loss of assist.
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This alert is reported by the PlatformModeProvider_R12 (PMP) component when rotorSpeed QualityofService is RPS_ERROR or RPS_SUBSTITUTE_VALUE and tolerance time has elapsed.
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EPAS rotor speed QoS is fauly or not reliable for longer than a tolerated time.
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EPAS full loss of assist.
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This alert is reported by the PlatformModeProvider_R12 (PMP) component when battery or DQ current QualityofService is CS_ERROR and tolerance time has elapsed or battery or DQ QoS latent failure with MotorContoroller operation mode is MOC_INACTIVE_OP_MODE.
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Battery or DQ current QoS is faulty and tolerance time has elapsed or battery or DQ QoS latent failure with MotorContoroller operation mode is inactive.
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EPAS full loss of assist.
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This alert is reported by the PlatformModeProvider_R12 (PMP) component when KgValue QualityofService is KG_ERROR and tolerance time has elapsed.
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KgValue QoS is faulty for longer than tolerated time.
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EPAS full loss of assist.
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This alert is reported by the PlatformModeProvider_R12 (PMP) component when the QualityofService of battery voltage signal is QOS_BVP_ERROR and DcVoltAge tolerance time is elapsed.
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Battery voltage QoS signal is fauly for longer than a tolerated time.
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EPAS full loss of assist.
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This alert is reported by the StartupCauseProvider_R12 (SCP) component if it determines that the startup cause is a safety reset.
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EPAS determined that the startup cause is a safety reset.
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No impact
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This alert is reported by the Core1CheckerAndStarter_TC3x (C1CS) component when the validation of Core 1 application is failed (CRC check, HSM validation, Entity address check or the Core 1 application was not found).
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EPAS MCU Core1 application validation failed (CRC check, HSM validation, Entity address check or the Core 1 application was not found) at startUp.
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EPAS full loss of assist.
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