Alerts
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| Signal Name | Description | Condition | Impact |
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Drive Inverter Warning: Wheel Speed Irrational
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Drive Inverter Warning: Capacitor over temperature
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-
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Drive Inverter Warning: EPB did not apply in standstill state
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-
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Drive Inverter Warning: Unit graceful power off triggered
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-
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The voltage supplied to the Decoupled Power Brake (DPB) ECU is higher than expected. Brake system performance is reduced.
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The voltage supplied to the DPB ECU is greater than expected at a level 1 threshold.
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System is degraded to a reduced performance state.
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Drive Inverter Warning: Unit limp mode triggered
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-
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Built-In Self Test (BIST) didn't switch off electrically after too much received wrong BIST commands.
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Erroneous safety logic (BIST of system IC does not switch off electrically after too much received wrong BIST commands), The failsafe logic test tests that after 3 wrong BIST commands the BIST alert counter counted up to its max. value and that the BIST state machine switches off electrically consequently.
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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 voltage supplied to the Decoupled Power Brake (DPB) ECU is higher than expected. Brake system performance is reduced.
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The voltage supplied to the DPB ECU is greater than expected at a level 2 threshold.
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System is degraded to a reduced performance state.
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The voltage supplied to the Decoupled Power Brake (DPB) ECU is above the overvoltage shutdown threshold. Brake system performance is reduced.
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The voltage supplied to the DPB ECU is above the shutdown threshold.
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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 voltage supplied to the Decoupled Power Brake (DPB) ECU is below the undervoltage threshold. Brake system performance is reduced.
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The voltage supplied to the DPB ECU is less than expected at a level 2 threshold.
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System will be running with full assistant for driver brake request.
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The voltage supplied to the Decoupled Power Brake (DPB) ECU is below the undervoltage shutdown threshold. Brake system performance is reduced.
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The voltage supplied to the DPB ECU is less than the undervoltage shutdown threshold.
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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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Based on the motor current vector and speed the voltage vector is not plausible.
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Based on the differential motor model equations the expected voltage vector is calculated from measured motor phase currents and motor speed. This is compared to the output of the field-oriented current controller. In case of large deviations the alert is triggered.
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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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Pressure sensor Time Out after 4 Seconds.
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Pressure sensor sends no ID via Sent Channel. If no IDs are recived after 4 sec, the alert 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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Hydraulic module is in assembly mode.
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The assembly mode, a protected mode for manufacturing and service, has been activated via diagnosis.This is required when the DPB hydraulic unit is not fully assembled during production, not filled with brake fluid or has been unmounted from the vehicle.
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System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
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The software flashed to the Decoupled Power Brake (DPB) is not supported.
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Incorrect software has been flashed to the DPB ECU. The software reports the DPB ECU is unsupported.
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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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Detected hardware is not allowed in a production level ECU.
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Hardware which is not allowed to be used in production level ECU.
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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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A condition affecting the Analog-to-Digital Converter (ADC) is detected.
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There is a condition affecting the ADC of the microcontroller. An error is reported in the internal error registor or a coversion is not finished in the expected time.
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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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An Analog-to-Digital Converter (ADC) pin test reports one of the ADC pins are open.
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When sampling the voltage at the ADC pins, an open is reported.
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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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ADC Selftest C5P detects unexpected results.
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ADC internal test voltage is not correct.
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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 Decoupled Power Brake (DPB) is in factory mode.
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Factory mode is reported as ON.
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System will be running with full assistant for driver brake request.
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