Alerts
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| Signal Name | Description | Condition | Impact |
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During failsafe logic test actual and expected WD status of System IC differ.
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Erroneous safety logic within system chip or feedback of system chip is wrong. During failsafe logic test the watchdog status feedback from the system chip is tested against several patterns according to the ongoing sub test. If the watchdog status is not as expected this fault is logged.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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The offset of current 1 is higher than expected.
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The offset of current 1 on the Decoupled Power Brake (DPB) ECU is higher than expected.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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The valve relay cannot be switched off via the SPI command of the system IC.
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System chip does not switch off the valve relay gate actuation via SPI or the feedback bit does report a wrong status, The failsafe logic test tests whether the system chip can switch off the gate actuation of the valve relay via SPI command. If the feedback does not show a switched off valve relay gate this fault is set.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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The missing watchdog don't switch off the valve relay.
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Erroneous safety logic (Watchdog timeout detection of system chip erroneous). The failsafe logic test tests whether the system chip detects a missing watchdog trigger and therefore swichtes off the gate actuation of the valve relay. If the feedback does not show a switched off valve relay gate this fault is set.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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Missing Built-In Self Test (BIST) trigger didn't swicth off hydraulically or electrically as expected.
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Erroneous safety logic (e.g. BIST of system IC either does not detect a correct BIST command or missing BIST commands), The failsafe logic test tests whether the watchdog of the system chip can be started with the first watchdog trigger signal from the BIST state machine. Additionally it is tested that the watchdog switches off hydraulically respective electrically if the BIST state machine is not triggered during the corresponding timeout times.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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Drive Inverter Warning: Resolver operation abnormal
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Drive Inverter Warning: Oil pump diagnostic data
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Drive Inverter Warning: LIN communication error
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Drive Inverter Warning: Oil pump failure
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Drive Inverter Warning: High-torque mechanical wear limit reached
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Drive Inverter Warning: Park Brake detected EPB fault during Selfpark
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Drive Inverter Warning: Park Brake detected skid during Selfpark
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Drive Inverter Warning: Gateway configuration mismatch
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Drive Inverter Warning: MCU power or torque limit is active
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Drive Inverter Warning: Driver Assistance ECU is MIA
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The Decoupled Power Brake (DPB) reports an issue during flashing.
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A flash error like an incorrect checksum or single error overflow is detected.
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System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
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Drive Inverter Warning: State Transition Condition Not Met
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Drive Inverter Warning: Rear drive unit disabled
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Drive Inverter Warning: Front drive unit disabled
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Drive Inverter Warning: No capable drive units detected
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