Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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BMS_d013_12V_Overvoltage
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-
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BMS_d012_12V_Undervoltage
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-
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BMS_d011_Precharge_Too_Long
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-
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BMS_d010_Precharge_Too_Short
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-
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BMS_d002_Internal_Iso_Failure
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-
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BMS_d003_FEIM_Failure
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-
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BMS_d001_Internal_Batt_Failure
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-
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BMS_d004_System_Iso_Failure
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-
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BMS_d005_Pos_Ctr_Stuck_Closed
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-
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This alert indicates that the shunt bar temperature is above what is nominally expected, which can be indicative of issues in the penthouse like 3rd party pyros or improperly installed HV components.
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The shunt bar's temperature is above the set threshold during drive
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The output power during drive may be reduced. If a 3rd party pyro is installed or some component in the penthouse is improperly installed, devices in the HV chain may experience additional wear caused by experiencing higher temperatures.
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The battery management system (BMS) receives a request from the high voltage processor (HVP) to initiate a graceful power off (GPO).
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The battery management system (BMS) receives a request from the high voltage processor (HVP) to initiate a graceful power off (GPO).
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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 an uncontrolled regen event in track mode.
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The BMS detects that regen power is above the maximum 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) energy buffer is greater than the acceptable threshold. This results in an inaccurate range estimate.
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The BMS energy buffer is greater than the acceptable threshold.
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A large energy buffer results in an inaccurate battery State of Charge (SOC) estimation causing a poor range estimate.
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The battery management system (BMS) has reduced power for driving.
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The BMS detects a condition that requires it to put the vehicle in limp mode.
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Power is reduced.
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The battery management system (BMS) detects an uncontrolled regen event.
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The BMS detects regen power above the maximum threshold while 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) detects that one of the pack contactors is welded.
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The BMS detects that one of the pack contactors is welded.
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This alert is primarily informational.
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The battery management system (BMS) has detected an issue with brick voltage measurement.
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The BMS detects a mismatch between a stack's voltage and the sum of its brick voltages.
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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 that high voltage (HV) isolation is too low while pack contactors are closed.
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The BMS has detects that HV isolation is below the warning threshold while contactors are closed.
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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 low isolation while DC charging.
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The BMS detects that isolation resistance on the high voltage (HV) bus has fallen below the acceptable threshold while the vehicle is DC charging
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The vehicle will not charge until the charge cable is removed and the alert is cleared
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The battery management system (BMS) detects an out-of-bounds module voltage reference.
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Any battery monitoring board (BMB) reference voltage has continuously deviated outside the in-bounds threshold of the nominal voltage.
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This alert is primarily informational. Other BMB voltage signals will be substituted given the reference voltage is unreliable.
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