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 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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This alert is reported by the ActuatorManager_R12 (AM) component when if voltage measurement comparison failed, HW failure.
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EPAS ECU actuator monitor detected failure (voltage measurement comparison).
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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 GDU overtemperature.
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EPAS ECU GDU device monitor detected failure (overtemperature).
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EPAS full loss of assist.
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This alert is reported by the ActuatorManager_R12 (AM) component when the bridge FET test failed.
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EPAS ECU actuator monitor detected failure (bridge-FETs).
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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 GDU failure. GDU internal rail overvoltage check. The GDU contains a set of internal voltage rails and their voltage monitors. The GDU reacts, software just logs it.
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EPAS ECU GDU device monitor detected failure (internal voltage voltages).
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EPAS full loss of assist.
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This alert is reported by the ActuatorManager_R12 (AM) component when PWM pattern check failed, probably bridge FET or GDU failure.
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EPAS ECU actuator monitor detected failure (PWM phases).
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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 GDU failure. This diagnostic checks the parity of the messages sent by the GDU.
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EPAS ECU GDU device monitor detected failure (wrong parity bit on serial communication).
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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 GDU failure. Bootstrap capacitor short detection or GDU internal rail undervoltage check.
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EPAS ECU GDU device monitor detected failure (capacitor short detection or internal rail undervoltage).
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EPAS full loss of assist.
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This alert is reported by the ActuatorManager_R12 (AM) component when the start up tests in ActuatorTest fails.
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EPAS ECU actuator management tests failure at startup.
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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 GDU failure. GDU monitors gate-to-source voltage, sets a flag and the software checks it.
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EPAS ECU GDU device monitor detected failure (gate-to-source voltage).
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EPAS full loss of assist.
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This alert is reported by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Safety FlipFlop Monitoring tests not finished in time).
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EPAS Safety FlipFlop Monitoring timeout at startup.
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EPAS full loss of assist.
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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 by the MCUSafetyStartupChecks_TC3x (MCUSSC) component when there is a MCU internal failure (The Safety FlipFlop Monitoring tests failed for at least one of the MTU or SMU instances).
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EPAS microcontroller internal safety monitoring (SafetyFF at MTU,SMU) reported failure at startup.
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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 GDU failure. This diagnostic reads the critical GDU registers and compares them to their expected values.
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EPAS ECU GDU device (management storage) plausilty check (value in GDU differs to the value in MCU) failed.
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EPAS reset requested will be performed at the moment when it doesn't providing assist.
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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 by the ActuatorManager_R12 (AM) component when there is a GDU failure. This diagnostic tests the primary GDU safety monitors to avoid the existence of latent failures.
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EPAS uC memory read access failed (FLASH).
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EPAS full loss of assist.
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