Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or that a pack contactor has popped open during operation.
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The battery management system (BMS) detects unexpected current through the negative contactor drive circuit.
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Inability to charge, drive, or support the low voltage (LV) system
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There is an issue with the positive contactor drive circuit. This alert may indicate an open contactor drive circuit, a falsely closed contactor loop, an increase in the contactor coil current during economized operation, or that a contactor has popped open during operation.
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The battery management system (BMS) detects unexpected current through the positive contactor drive circuit.
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Inability to charge, drive, or support the low voltage (LV) system
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There is a hardware problem with the high voltage interlock loop (HVIL).
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The complex programmable logic device (CPLD) has detected that the HVIL is open and the vehicle is not in Drive.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) has detected that there is an issue with the battery monitor board (BMB) alarm.
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The BMS has detected that the BMB alarm is not cycling as expected when the vehicle wakes up.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) detects unexpected voltage on the contactor service bypass pin.
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The BMS detects that the contactor service bypass pin is asserted when it should not be.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) has detected that one or more of the battery modules has reported an alert. This alert may be set falsely at extremely low LV battery voltages.
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The BMS detects that one or more of the battery modules is reporting an alert.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) has detected that the pack voltage is too high.
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The BMS detects that pack voltage is above the acceptable threshold.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) has detected that the high voltage (HV) battery pack current exceeds the hardware overcurrent threshold.
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The BMS detects that the pack current exceeds the hardware overcurrent threshold.
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Inability to charge, drive, or support the low voltage (LV) system
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The Battery Management System (BMS) has detected the HV battery pyro fuse is less than 3 months from end of life. The fuse must be replaced with a new self-powered hybrid pyro fuse.
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Pyro fuse is less than 3 months from end of life.
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Pyro fuse is no longer functional
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The Battery Management System (BMS) has detected the HV battery pyro fuse is less than 6 months from end of life. The fuse must be replaced with a new self-powered hybrid pyro fuse.
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Pyro fuse is less than 6 months from end of life.
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Pyro fuse is no longer functional
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The battery management system (BMS) has detected an unsupported charging adapter.
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The BMS detects an unsupported charging adapter.
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Charging will not begin with the unsupported adapter.
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There is condition internal to the high voltage (HV) battery requiring the battery management system (BMS) to limit the maximum allowed brick voltage.
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BMS_w117_SW_Delta_SOC_Weak_Short is set and MCU_dSocAlertEnable=1 and BMS_a117_silentLimiting=1.
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The target max brick voltage for charge is limited to the voltage corresponding to 50% state of charge (SOC).
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The CHAdeMO charge handle adapter has reported that the adapter temperature has exceeded the threshold at which the vehicle should begin folding back charge current.
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The CHAdeMO charge handle adapter temperature exceeds the threshold at which the vehicle should start to fold back charge current.
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DC charge power reduced.
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The battery management system (BMS) has detected a capacity imbalance within a module has exceeded the maximum threshold.
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The BMS detects a capacity imbalance within a module has exceeded the maximum threshold.
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This alert is primarily informational.
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The battery management system (BMS) has decreased the maximum allowed brick voltage from its original value.
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The BMS detects that the cells have accumulated wear that exceeds the threshold to limit the maximum brick voltage.
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This alert is primarily informational.
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The battery management system (BMS) has detected that the high voltage (HV) battery current sensor does not support uncorked performance configuration.
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The BMS detects that the HV battery current sensor does not support the uncorked performance configuration.
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This alert is primarily informational.
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The fast charge adapter software is being updated.
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The battery management system (BMS) detects that DC fast charging was attempted while the adapter software is being updated.
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Inability to DC charge until the update completes.
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A Supercharger post update in progress.
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The battery management system (BMS) detects that Supercharging was attempted at a stall that is undergoing an update.
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Inability to Supercharge at that stall
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A Supercharger post is out of service.
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The battery management system (BMS) detects that Supercharging was attempted at an out-of-service stall.
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Inability to Supercharge at that stall
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The battery management system (BMS) is unable to precharge for DC fast charging.
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The BMS detects a condition that prevents the vehicle from being able to precharge for DC fast charging.
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Inability to DC fast charge.
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