Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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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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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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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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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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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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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 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 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 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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The correct motor size value is written to NVM and the system is reset.
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The motor size value in NVM is incorrect or missing when read at startup.
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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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Motor load not plausible to pressure sensor signal.
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The motor load pressure sensor reports an implausible value. This can be caused by the motor not turning due to a blocked gear or high friction or the sensor may be damaged.
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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 in plunger circuit is too low (with GoodCheck required).
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A too low pressure alert occurs, if the actual pressure is much lower than the target pressure.
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System will be running with internal degraded pedal map. Braking may require increased effort.
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Pressure in plunger circuit is too low.
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A too low pressure alert occurs, if the actual pressure is much lower than the target pressure.
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System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
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Pressure in plunger circuit is too high (with GoodCheck required).
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A too high pressure occurs, if the actual pressure is much higher than the target pressure.
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System will be running with internal degraded pedal map. Braking may require increased effort.
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Pressure in plunger circuit is too high.
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A too high pressure occurs, if the actual pressure is much higher than the target pressure.
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System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
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Loss of a Protocol Data Unit (PDU) instance. First In, First Out (FIFO) flushed because of an overrun.
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Loss of a PDU instance in PDU router (FIFO flushed because of an overrun), FIFO buffer is full and Tx Confirmation for previously Transmitted Pdu is pending and a new request has been received on the same Routing Path.
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System will be running with internal degraded pedal map. Braking may require increased effort.
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Protocol Data Unit (PDU) Router initialization failed (PDU Router changed to PDUR_REDUCED state).
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PDU Router initialization failed (PDU Router changed to PDUR_REDUCED state).
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System will be running with internal degraded pedal map. Braking may require increased effort.
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Linear Position Sensor contains no information about motor size and Rotor Position Sensor type.
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Linear Position Sensor Memory contains no information about motorsize and RPStype, plant has not written information in Linear Position Sensor Memory. Linear Position Sensor Memory is read during ECU Exchange routine; ECU Exchange is not possible.
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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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Motor is in a dynamic limited mode when the system starts up.
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The previous operation cycle did not end successfully. The plunger did not park at the sleep position, so the relative plunger position is unknown.
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System will be running with full assistant for driver brake request. The motor performance is limited.
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