Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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 conactors may open immdediately or pyro fuse may blow
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The vehicle detects a condition affecting one or more of the pyrotechnic (pyro) fuses.
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The diagnostic test on one or more of the pyro fuses is unsuccessful. This can indicate the pyro fuse has blown.
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The High Voltage (HV) contactors are not allowed to close.
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The charge port (CP) electronic control unit (ECU) is detected as not operational, making the vehicle unable to charge.
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The charge port (CP) electronic control unit (ECU) is detected as not operational.
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Vehicle will be unable to charge.
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The high voltage processor (HVP) is not receiving messages from the vehicle gateway (GTW) on the high voltage system (HVS) controller area network (CAN). HVP functions that depend on messages from the GTW may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the vehicle gateway (GTW) on the high voltage system (HVS) controller area network (CAN).
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High voltage processor (HVP) functions that depend on messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the power conversion system (PCS) on the high voltage system (HVS) controller area network (CAN). HVP functions that depend on messages from the PCS may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the power conversion system (PCS) on the high voltage system (HVS) controller area network (CAN).
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High voltage processor (HVP) functions that depend on messages from the power conversion system (PCS) may be unavailable, or their performance may be affected.
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Warns if the pack charge current is above max charge current limit
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The pack charge current is above max charge current limit for X duration (in msec)
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The DC charging will end and contactors may open immdediately or pyro may disconnect
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Warns if the pack discharge is above max discharge current limit
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The pack current is above max discharge current limit for X duration (in msec)
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The contactors will open immdediately or pyro fuse may blow
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Warns if the pack current (discharge or charge) is above max current limit.
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The pack current (discharge or charge) is above max current limit.
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The pyro fuse will blow
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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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Positive 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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Negative contactor is expected to be open but the voltage match remains. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.
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The pyro fuse may be deployed.
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Positive contactor is expected to be open but the voltage match remains. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.
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The pyro fuse may be deployed.
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Negative contactor is expected to be open but aux reports them as still closed.
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Contactor state timed out of the OPENING state (and transitioned to AUX_MISMATCH) due to aux reporting the contactor as still closed.
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Firmware will try to open the contactor again.
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Positive contactor is expected to be open but aux reports them as still closed.
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Contactor state timed out of the OPENING state (and transitioned to AUX_MISMATCH) due to aux reporting the contactor as still closed.
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Firmware will try to open the contactor again.
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Negative contactor was blocked from opening due to high current. Pyro deployed instead.
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High voltage current is too high while attempting to open the contactor.
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The negative pyro fuse will be deployed.
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Positive contactor was blocked from opening due to high current. Pyro deployed instead.
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High voltage current is too high while attempting to open the contactor.
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The positive pyro fuse will be deployed.
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Negative contactor opened unexpectedly due to insufficient coil drive current.
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Contactor state exited ECONOMIZED because coil current was too low.
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Vehicle may lose propulsion or be unable to support LV system.
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Positive contactor opened unexpectedly due to insufficient coil drive current.
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Contactor state exited ECONOMIZED because coil current was too low.
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Vehicle may lose propulsion or be unable to support LV system.
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Tried to close negative contactor but failed because a voltage match was not maintained.
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Contactor state timed out of PULLED_IN because a voltage match was not maintained.
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Negative pack contactor will remain open.
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