Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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The standby supply is unable to activate because no eligible power sources are available.
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The standby supply output is requested but there are no subpacks available for use.
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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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HVBATT detects that the sum of brick voltages deviates from measured pack voltage.
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HVBATT detects that the sum of brick voltages deviates from pack voltage by more than 5 percent.
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Inability to charge, drive, or support the low voltage (LV) system
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The High Voltage Battery (HVBATT) detects the low-side (LS) flyback output voltage is below the operational threshold.
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The output voltage of the LS flyback is less than the defined threshold for more than the defined timeout.
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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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The High Voltage Battery (HVBATT) detects the high-side (HS) flyback output voltage is below the operational threshold.
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The output voltage of the HS flyback is less than the defined threshold for more than the defined timeout.
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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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Circuit 2 has defect.
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Decreased brake capability
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CAN Bus off failure occurred.
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Decreased regeneration efficiency
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Circuit 2 reached max pressure level.
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No electronic governing or regeneration available, diagnostic available
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Comparator circuit error detected.
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Intervention by comparator may not be possible during low pressure situation
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Cartridge maintenance prediction alert - courtesy warning.
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-
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Cartridge maintenance prediction alert - overworn cartridge.
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Possible moisture in air system
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Low pressure warning for circuit 2.
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May not be able to unpark and reduced service brake capability
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A brick voltage is above the fault voltage limit
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A brick voltage is above the fault voltage limit for X duration (in seconds)
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The vehicle may not drive or charge.
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Shunt detects shunt connector as disconnected
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Shunt active current reads 0A, passive current reflects open circuit conditions
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Battery pack may not come online
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Shunt bar temperature is too low
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Shunt bar temperature is too low
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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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Shunt active sense and passive sense readings are not in agreement
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Shunt active sense and passive sense readings have a delta outside of the acceptable margin
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Vehicle may not drive or charge.
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Shunt active sense current reading deviates from zero when contactors are open
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Contactors are open and shunt active sense reading is larger than acceptable margin
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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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Energy reserve voltage supply is below minimum voltage threshold
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Energy reserve voltage supply is below minimum voltage threshold
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pyro diagnostics may fail, the contactors will not close
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The Bandolier Thermal Model for the battery pack was reset to thermistor temperatures
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The absolute delta between the modeled thermistor temperature and the actual is greater than than the reset threshold OR the model inputs become valid
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Modeled thermal gradient across pack will be reset to thermistor temperatures
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A Battery Monitoring Board (BMB) device status register error indication has been detected
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Any BMB device in the daisy chain reports any of the monitored error indicators
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May indicate a BMB device hardware issue which could result in unreliable measurement data
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Warn if pack contactors are not allowed to close
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This meta alert will set if any of the reasons for preventing contactors to close (listed in this alert payload) are still present. This alert is always set with an accompanying alert that provides more specific information for the fault.
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While this alert is set, HV contactors will not be able to close. This will prevent drive, charge and 12V support and eventually the 12V battery will be fully discharged and the vehicle will go offline.
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