Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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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 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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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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A software trip has been detected due to High Voltage (HV) readings exceeding the expected voltage limit.
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HV 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 the stage 1 high voltage side board temperature sensor exceeding the expected temperature limit.
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Stage 1 HV 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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One or more of the messages the vehicle controller receives periodically from the Secondary Electric Power Steering (SEPS) electronic control unit (ECU) is not received, indicating the SEPS ECU may be unavailable (MIA).
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One or more of the expected messages from the SEPS ECU is not received.
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Power steering may be limited or unavailable.
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One or more of the messages the vehicle controller receives periodically from the Secondary Steering Feedback Actuator (SSFA) electronic control unit (ECU) is not received, indicating the SSFA ECU may be unavailable (MIA).
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One or more of the expected messages from the SSFA ECU is not received.
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Steering wheel feedback functionality may be limited or unavailable.
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One or more of the messages the vehicle controller receives periodically from the Primary Steering Feedback Actuator (PSFA) electronic control unit (ECU) is not received, indicating the PSFA ECU may be unavailable (MIA).
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One or more of the expected messages from the PSFA ECU is not received.
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Steering wheel feedback functionality may be limited or unavailable.
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A condition affecting switch functionality has been detected.
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A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.
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The switch may not function or may not function as expected.
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A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.
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Estimated resistance on the input power feed to the vehicle controller is higher than expected.
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The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.
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One or more of the expected controller area network (CAN) messages from the Autopilot Primary (APP) were not received.
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A message the local ECU expects to receive from the APP ECU is not received within the expected timeout, or the drop rate is too high while the APP is CAN active.
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Autopilot does not operate as expected.
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An issue is indicated from the non-volatile memory manager.
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Non-volatile memory misconfiguration or underlying flash/filesystem error.
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Non-volatile memory records may be incorrect or missing.
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Warns if the processor has experienced a reset due to power loss.
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Sudden power loss.
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Controller is MIA for some time.
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Warns if the processor has experienced a reset due to watchdog reset.
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A watchdog (external or internal) was not serviced in time.
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Controller is MIA for some time.
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The local Electronic Control Unit (ECU) has not received one or more expected Controller Area Network (CAN) messages from the internal steering bus.
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The local Electronic Control Unit (ECU) did not receive a message it was expecting from the ECUs on the specified internal steering bus within the expected timeout.
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Power Steering functionality may be degraded.
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A monitor trip has been detected, system will degrade.
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Any of the monitors on the given ECU has detected an issue
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Steering system performance degraded, vehicle speed limited
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Power steering startup sequence is unsuccessful.
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Monitor calibration check is unsuccessful, corresponding controller is not responding, or state timeout occurs.
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The motor is disqualified and system health is degraded.
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Steering feedback actuator is experiencing an interface mismatch.
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Steering feedback actuator has incompatible software
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Steering feedback actuator may not function as intended or may limit driving modes
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The steering monitor detected an error affecting its calibration.
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One or more modules not calibrated or calibration values do not match controller values
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Loss of steering redundancy
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