Alerts
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| Signal Name | Description | Condition | Impact |
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A controller trip error has been detected due to Low Voltage (LV) current measurement and reference exceeding the expected difference threshold during steady state operation.
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LV voltage current measurement and reference difference is above the expected threshold for the given time interval.
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STITCH will halt operation due to LV current controller failure.
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One of the temperature sensors is reporting an out of range reading.
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One of the temperature sensors is reporting an out of range reading.
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STITCH will throw warning without halting operation.
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The 1V5 reference voltage reading is outside of the expected minimum and maximum thresholds.
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The 1V5 reference voltage is outside of the expected minimum and maximum range for the given time interval.
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STITCH will throw warning.
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The ambient temperature sensor reading exceeds the expected temperature threshold.
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The ambient temperature sensor reading exceeds the expected temperature threshold.
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STITCH will throw warning.
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The device junction temperature sensor reading exceeds the expected temperature threshold.
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The device junction temperature sensor reading exceeds the expected temperature threshold.
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STITCH will throw warning.
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STITCH has been locked out due to an environmental or hardware condition preventing normal operation.
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STITCH encounters a hardware or environmental condition preventing normal operation.
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STITCH will be persistently locked out.
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The STITCH Low Voltage (LV) temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
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The STITCH LV temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
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This alert has no functional impact on the vehicle.
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Low Voltage (LV) bus voltage precharge timed out. LV rail cannot be brought up.
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LV bus voltage precharge times out.
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Precharge can enable at too high of a load or short on LV.
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A stage 2 instantaneous hardware trip has been detected due to a stage B tank current condition.-.
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The absolute tank current has exceeded the expected threshold.
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The condition can lead to potential hardware damage if persistently observed.
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A stage 1 instantaneous hardware trip has been detected due to a Stage A tank current condition.
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The absolute tank current has exceeded the expected threshold.
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The condition can lead to potential hardware damage if persistently observed.
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An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
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LV output voltage exceeds the expected overvoltage threshold.
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STITCH will halt operation, low voltage will not be supported.
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Steering Torque Overlay (STO) assist halted due to Power Supply SPI communication error.
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Power Supply Integrated Circuit (IC) SPI communication error detected
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Steering Assist reduced
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An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
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LV output voltage exceeds the expected overvoltage threshold.
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STITCH will halt operation, low voltage will not be supported.
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A software trip has been detected due to the stage 1 Low Voltage (LV) side board temperature sensor exceeding the expected temperature limit.
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Stage 1 LV temperature sensor reads above the expected threshold.
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STITCH will halt operation, low voltage will not be supported.
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A fast firmware trip has been detected due to High Voltage (HV) readings exceeding the expected bus top half voltage limit.
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Single HV top half bus voltage exceeds the expected threshold.
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STITCH will halt operation, low voltage will not be supported.
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A software trip has been detected due to High Voltage (HV) readings dropping below the expected undervoltage limit.
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HV voltage drops below the expected undervoltage threshold.
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STITCH will halt operation, low voltage will not be supported.
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A software trip has been detected due to High Voltage (HV) bus top half voltage readings exceeding the expected limit during operation.
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Single HV top half bus voltage exceeds the expected threshold.
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STITCH will halt operation, high voltage will not be supported.
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A software trip has been detected due to High Voltage (HV) bus bottom half voltage readings exceeding the expected limit during operation.
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Single HV bottom half bus voltage exceeds the expected threshold.
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STITCH will halt operation, high voltage will not be supported.
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STITCH command Controller Area Network (CAN) messages are not received .
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STITCH command CAN messages are Missing In Action (MIA).
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STITCH will halt operation, low voltage will not be supported.
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An operation on the Electrically Erasable Programmable Read-Only Memory (EEPROM) has failed. This alert provides record ID, error type, and number of errors since the last task loop.
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An operation on the EEPROM failed.
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The payload signals for this alert will indicate the nature of the error.
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