Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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CAN messages from the vehicle speed ECU have an invalid data value, indicating an error in data integrity has been detected.
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10 or more CAN message frames from the vehicle speed ECU have an invalid data value
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Steering assist may be affected, since the vehicle speed to Dual Power Pack (DPP) interface is interrupted
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CAN messages from the vehicle speed ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.
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10 or more CAN message frames from the vehicle speed ECU have an invalid checksum value
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Steering assist may be affected, since the vehicle speed to Dual Power Pack (DPP) interface is interrupted
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CAN messages from the vehicle speed ECU have an invalid counter value, indicating an error in data integrity has been detected.
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10 or more CAN message frames from the vehicle speed ECU have counter values that do not increment as expected
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Steering assist may be affected, since the vehicle speed to Dual Power Pack (DPP) interface is interrupted
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Expected CAN messages from the vehicle speed ECU were not received.
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10 or more CAN message frames from the vehicle speed ECU were not received as expected
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Steering assist may be affected, since the vehicle speed to Dual Power Pack (DPP) interface is interrupted
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CAN messages from the vehicle speed ECU have an invalid data length, indicating an error in data integrity has been detected.
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10 or more CAN message frames from the vehicle speed ECU have an invalid data length
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Steering assist may be affected, since the vehicle speed to Dual Power Pack (DPP) interface is interrupted
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Dual Power Pump (DPP) ECU was reset to factory mode due to memory version corruption.
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DPP ECU reset to factory state due to memory version corruption
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Steering assist may be affected
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Dual Power Pump (DPP) ECU memory read or write error detected.
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All data written to DPP ECU memory is immediately read back to ensure accuracy. If either the read or write operation is in error then a fault is declared
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Steering assist may be affected
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Dual Power Pump (DPP) flash write failure detected.
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DPP double bits error correction code (ECC) error detected in data-flash or failure to write to data-flash/program-flash
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Steering assist reduced
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Dual Power Pump (DPP) ECU memory checksum fault detected during the Cyclic Redundancy Check (CRC).
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DPP ECU data written to memory/Data-flash on previous cycles is checked against CRC and is not correct
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Steering assist reduced
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Dual Power Pump (DPP) power reduced due to loadshed active.
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DPP loadshed level is any value other than DPP_LOADSHED_NONE_SNA
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Steering assist reduced
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Dual Power Pump (DPP) assist halted due to safety critical data being corrupted.
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Non-writable or safety critical data in the DPP ECU is corrupt
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Steering assist unavailable
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Dual Power Pump (DPP) assist halted due to an attempted write to non-writable memory.
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Stack overflow or write to non-writable memory in the DPP ECU attempted
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Steering assist unavailable
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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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Steering Angle Sensor: Signal constant.
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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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