Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Incorrect or Missing configuration block programmed
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The HVP config block may be missing, incorrect, or unsupported
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The HVP is unable to initialize configuration parameters
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One or more fast charge (FC) or pack contactors in the high voltage battery failed to open when requested
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The contactor(s) do not open when requested to open immediately
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Pyro fuse will blow, which will cut off all high voltage (including charging)
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The shunt measurement ASIC is not producing data
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Timeout on expected communication
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Shunt readings are stale
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A battery pack brick voltage is below the under voltage fault limit
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A battery pack brick voltage is below the under voltage fault limit for X duration (in seconds)
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Inability to enter drive or support the low voltage (LV) system
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A battery pack module temperature is above the warning temperature limit
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A battery pack module temperature is above the warning temperature limit for X duration (in seconds)
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Power/drive limits may be reduced
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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 will stop charging.
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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 FC contactor will remain open.
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Tried to close positive 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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Positive FC contactor will remain open.
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Tried to close negative contactor but failed because the coil drive current was too low.
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Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
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Negative FC contactor will remain open.
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Tried to close positive contactor but failed because the coil drive current was too low.
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Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
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Positive FC contactor will remain open.
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Did not try to close negative contactor because a voltage match was not achieved.
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Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
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Negative FC contactor will remain open.
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Did not try to close positive contactor because a voltage match was not achieved.
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Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
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Positive FC contactor will remain open.
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The battery management system (BMS) detects that the high voltage (HV) isolation contactor closed below the warning threshold.
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The BMS detects that the HV isolation was below the warning threshold when pack contactors closed.
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This alert indicates that HV isolation is low, but above the sufficient level for vehicle operation.
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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 Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects the pyro was deployed by the passive pyro circuit.
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The passive pyro circuit deploys the pyro.
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The High Voltage (HV) pack may be blocked, which will prevent the vehicle from driving or charging.
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The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects the pyro was deployed by vehicle firmware.
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The pyro was deployed by vehicle firmware.
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The High Voltage (HV) pack may be blocked, which will prevent the vehicle from driving or charging.
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The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects there was an attempt to deploy the pyro, but the attempt was unsuccessful.
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Vehicle firmware could not successfully trigger a pyro deployment, or there was an attempt to deploy the pyro while the deployment test was actively running on the pyro.
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The vehicle may be unable to drive or charge.
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A battery pack brick voltage is below the open circuit voltage (OCV) undervoltage limit at rest.
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A battery pack brick voltage is below the under voltage OCV limit for X duration (in seconds) while contactors are open.
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Drive may be blocked.
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A battery pack brick voltage is below the over discharged voltage limit
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A battery pack brick voltage is below the over discharged voltage limit for X duration (in seconds)
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The vehicle may not drive.
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A battery pack brick voltage is above the fault voltage limit
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A battery pack 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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