Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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The High Voltage Battery (HVBATT) detects the Charge Port High Voltage Interlock Loop (CPIL) is open.
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The HVBATT has detected that CPIL is open.
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The vehicle may be unable to charge.
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Low-side shunt bar temperature is too low
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Low-side shunt bar temperature is too low
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This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
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Low-side shunt active sense and passive sense readings are not in agreement
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Low-side shunt active sense and passive sense readings have a delta outside of the acceptable margin
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Low-side sub pack may not come online
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Low-side shunt active sense current reading deviates from zero when contactors are open
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Contactors are open and low-side shunt active sense reading is larger than acceptable margin
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This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
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A brick voltage is above the fault voltage limit
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A 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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The configured battery pack 1 passive pyro setpoint is invalid
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The configured battery pack 1 passive pyro setpoint is invalid
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Vehicle performance may be reduced
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Low-side shunt detects shunt connector as disconnected
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Low-side shunt active current reads 0A, passive current reflects open circuit conditions
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Low-side sub pack may not come online
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Incorrect or Missing configuration block programmed
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ECU config block may be missing, incorrect, or unsupported
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ECU is unable to initialize configuration parameters
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The low-side shunt measurement asic has a SPI communication fault or other internal fault
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Fault condition was set during SPI communications
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Low-side shunt readings are stale
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Low-side shunt bar temperature is too high
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Low-side shunt bar temperature is too high
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Low-side pack HV will be blocked. The shunt may become physically damaged.
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Data integrity loss due to Battery Monitoring Board (BMB) chain double break
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A prolonged communication issue with the BMB daisy chain that is known to cause a loss of BMB sensor data is detected
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BMB sensor data is likely being substituted to replace data missing due to the communication issue
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Measurement of internal isolation (within the pack) is too low
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Internal isolation is measured to be below the alert threshold
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Pack may not come online
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Indicates valid data is missing for one or more brick voltages
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One or more brick voltages are continuously detected as invalid
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Brick voltage data is likely being substituted to replace invalid readings
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Indicates a Battery Monitoring Board (BMB) reference voltage has continuously been out of bounds
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Any BMB reference voltage has continuously deviated outside the in-bounds threshold of the nominal voltage
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Other BMB voltage signals will be substituted given the reference voltage is unreliable
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A battery pack 1 brick voltage is below the over discharged voltage limit
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A battery pack 1 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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The BMS has detected isolation failure conditions in several drive sessions
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Isolation or isolation degradation alert is set in several drive sessions
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Vehicle may be unable to restart
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High-side pyro squib resistance is too high.
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The measured resistance between high-side pyro-P and pyro-N is higher than the maximum limit.
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High-side pack High Voltage will be blocked, charge and drive may be unavailable.
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High-side pyro squib is open circuit.
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The measured resistance between high-side pyro-P and pyro-N is saturated.
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High-side pack will not be able to come online.
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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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High-side pyro low-side switch (SR FET) is non-functional.
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High-side pyro-P voltage does not rise to within a margin of the energy reserve voltage when the SR FET is enabled.
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High-side pack High Voltage will be blocked, charge and drive may be unavailable.
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