Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Dual Power Pump (DPP) assist halted due to the ECU failing to service watch dog.
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Repetitive DPP ECU failures to service the watchdogs within 100ms (Tuned to trigger on third failure)
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to the current sensor offset being out of range.
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The DPP current sensor offset (measured at startup) is outside of the expected range
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to a motor position sensor failure.
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The DPP digital position sense signal demonstrates a value or a sequence that does not represent the motor turning steadily forward/backward/or being stopped
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to both PCB and Power driver temperature sensors having failed.
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Both DPP PCB and Power FET temperature sensors have errors
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to current sensor failure.
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DPP current sensor analog value is out of range for 15ms or more
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to the gate drive voltage being out of range.
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DPP power supply output analog value is out of range for 125ms or more
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to the motor speed being unexpectedly low.
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DPP motor speed is <250 RPM and current is <5A for 250ms or more
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to the motor speed being far below requested.
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1000ms (or 500ms if temperature is more than 80 degrees Celsius) after DPP motor speed request of >500 RPM, the Motor speed is <250 RPM
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to too much average current being detected on the ECU microcontroller.
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10x 10ms pulses within a 500 ms time period were >200% the RMS current measured on any DPP ECU microcontroller pin
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Steering assist unavailable
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Dual Power Pump (DPP) assist derated due to high driver temperature.
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DPP FET temperature sensor exceeds a preset value for more than 2 seconds
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Steering assist reduced
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Dual Power Pump (DPP) assist derated due to high ECU PCB temperature.
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DPP ECU PCB temperature sensor exceeds a preset value for more than 2 seconds
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Steering assist reduced
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Dual Power Pump (DPP) assist halted due to the drive stage sensor reporting critical temperature.
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DPP derating has not been effective and temperatures continue to rise for more than 2 seconds
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to the control stage sensor reporting critical temperature.
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DPP derating has not been effective and temperatures continue to rise for more than 2 seconds
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Steering assist unavailable
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Dual Power Pump (DPP) ECU reset detected.
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Power failure, task update/lock end, memory failure, etc.
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This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
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Dual Power Pump (DPP) assist halted due to the ECU read-only memory (ROM) checksum fault detected during the Cyclic Redundancy Check (CRC).
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DPP ROM checksum value does not match computed value
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to ECU random access memory (RAM) read / write failure detected.
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DPP reading and writing ECU RAM results in alternating bit pattern
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Steering assist unavailable
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Dual Power Pump (DPP) CAN Bus detected to be off.
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DPP CCL detects the network went 'BusOff' during 1 cycle time
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Steering assist may be affected, since the CANBUS to DPP interface is interrupted
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Dual Power Pump (DPP) assist halted due to supply overvoltage.
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DPP drive Stage Voltage > 33V
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to supply undervoltage.
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DPP drive Stage Voltage < 20V
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Steering assist unavailable
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Dual Power Pump (DPP) ECU memory recoverable corruption detected.
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One DPP ECU memory buffered data table is corrupt
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Steering assist may be affected
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