Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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High voltage isolation is too low for the pack to be online.
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Isolation is measured to be below the alert threshold while pack contactors are closed
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Subpack may not come online
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Subpack measurement of internal isolation (within the subpack) is too low.
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Internal isolation is measured to be below the alert threshold
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Subpack may not come online
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The difference in pack voltage measurements of the ADC & BMBs exceeds the maximum limit.
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The difference in ADC & BMB pack voltage is greater than 3%
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The contactors may open immdediately or pyro disconnect may blow
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A pack module temperature is above maximum temperature limit.
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A pack module temperature is above maximum temperature limit for X duration (in seconds)
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The conactors may open immdediately or pyro disconnect may blow
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A brick voltage is below minimum voltage limit.
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A brick voltage is below minimum voltage limit for X duration (in seconds)
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The conactors may open immdediately or pyro disconnect may blow
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A brick voltage is above maximum voltage limit.
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A brick voltage is above maximum voltage limit
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The contactors may open immediately or pyro disconnect may blow
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Incorrect, missing, or unsupported board part number programmed.
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HVPACK detects an unexpected board part number
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HVPACK is unable to initialize parameters related to printed circuit board assembly (PCBA) configuration
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Incorrect or Missing configuration block programmed.
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HVPACK config block may be missing, incorrect, or unsupported
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HVPACK is unable to initialize configuration parameters
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High Voltage Battery Pack (HVPACK) reports the shunt bar temperature is lower than expected.
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Shunt bar temperature is outside the expected threshold.
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This alert is primarily informational and is used for logging purposes.
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Negative contactor is expected to be open but HV current is still present. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.
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The pyro fuse may be deployed.
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The programmed Bar Resistance Calibration is not being used.
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The stored Shunt Bar Resistance was either invalid or the written gain was outside of tolerance.
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The default Shunt Bar Resistance will be used. Shunt current measurement accuracy may be reduced.
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The battery management system (BMS) detects a condition internal to the high voltage (HV) battery that requires the max allowed brick voltage to be limited.
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HVBATT_w723_deltaSocWeakShort is set and (UI_dSocAlertEnable==1 or dSocAlertEnabledByDefault==1).
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The target max brick voltage for charge is limited to the voltage corresponding to 50% SOC.
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The HvSense measurement Application-specific Integrated Circuit (ASIC) has a Serial Peripheral Interface (SPI) communication fault or other internal fault.
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Fault condition was set during SPI communications.
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HvSense readings are stale.
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The HvSense measurement Application-specific Integrated Circuit (ASIC) is not producing or communicating data.
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A timeout has occurred on the expected communication from the ASIC.
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HvSense readings are stale.
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HV Up is blocked by HVLINK because HVIL is not good.
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HVIL is not good and BMS requests that the DC Link be energized
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DC Link may fail to energize
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The High Voltage Battery Subpack 2 (HVPACK2) is not reporting to the High Voltage DC Link Controller (HVLINK) on the Controller Area Network (CAN).
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HVPACK2_interlocks is not received by HVLINK within the MIA qualification time interval.
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HVLINK shall assume HVPACK2_pyroTestResponse = 0.
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The High Voltage Battery Subpack 1 (HVPACK1) is not reporting to the High Voltage DC Link Controller (HVLINK) on the Controller Area Network (CAN).
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HVPACK1_interlocks is not received by HVLINK within the MIA qualification time interval.
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HVLINK shall assume HVPACK1_pyroTestResponse = 0.
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A crash event has occurred resulting in the potential deployment one or more High Voltage (HV) system pyro fuses.
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The Restraint Control Module (RCM) reports a crash via 1kHz Emergency Notification Signal (ENS) tones.
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All subpack pyro fuses will be deployed. Fast Charge (FC) pyro fuses may be deployed, and the vehicle may not drive or charge.
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A crash event has occurred resulting in the potential deployment one or more High Voltage (HV) system pyro fuses.
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The Restraint Control Module (RCM) reports a crash over CAN while Emergency Notification Signal (ENS) tones are absent.
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All subpack pyro fuses will be deployed. Fast Charge (FC) pyro fuses may be deployed, and the vehicle may not drive or charge.
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The DCLink bus is shorted, preventing the ability to precharge contactors.
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The energy consumed by the precharge Integrated Circuit (IC) during a precharge event exceeds the maximum allowed precharge energy.
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Precharging will be halted and the vehicle will be unable to precharge its contactors.
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