Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
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.
|
The vehicle may be unable to charge.
|
No
|
|
|
The configured battery pack 1 passive pyro setpoint is invalid
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The configured battery pack 1 passive pyro setpoint is invalid
|
Vehicle performance may be reduced
|
No
|
|
|
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
|
Low-side sub pack may not come online
|
No
|
|
|
Low-side shunt bar temperature is too low
|
Low-side shunt bar temperature is too low
|
This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
|
No
|
|
|
Low-side shunt detects shunt connector as disconnected
|
Low-side shunt active current reads 0A, passive current reflects open circuit conditions
|
Low-side sub pack may not come online
|
No
|
|
|
A brick voltage is above the fault voltage limit
|
A brick voltage is above the fault voltage limit for X duration (in seconds)
|
The vehicle may not drive or charge.
|
No
|
|
|
Low-side shunt active sense current reading deviates from zero when contactors are open
|
Contactors are open and low-side shunt active sense reading is larger than acceptable margin
|
This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
|
No
|
|
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Indicates valid data is missing for one or more brick voltages
|
One or more brick voltages are continuously detected as invalid
|
Brick voltage data is likely being substituted to replace invalid readings
|
No
|
|
|
Indicates a Battery Monitoring Board (BMB) reference voltage has continuously been out of bounds
|
Any BMB reference voltage has continuously deviated outside the in-bounds threshold of the nominal voltage
|
Other BMB voltage signals will be substituted given the reference voltage is unreliable
|
No
|
|
|
The BMS has detected isolation failure conditions in several drive sessions
|
Isolation or isolation degradation alert is set in several drive sessions
|
Vehicle may be unable to restart
|
No
|
|
|
A battery pack 1 brick voltage is below the over discharged voltage limit
|
A battery pack 1 brick voltage is below the over discharged voltage limit for X duration (in seconds)
|
The vehicle may not drive.
|
No
|
|
|
Low-side shunt bar temperature is too high
|
Low-side shunt bar temperature is too high
|
Low-side pack HV will be blocked. The shunt may become physically damaged.
|
No
|
|
|
The low-side shunt measurement asic has a SPI communication fault or other internal fault
|
Fault condition was set during SPI communications
|
Low-side shunt readings are stale
|
No
|
|
|
Data integrity loss due to Battery Monitoring Board (BMB) chain double break
|
A prolonged communication issue with the BMB daisy chain that is known to cause a loss of BMB sensor data is detected
|
BMB sensor data is likely being substituted to replace data missing due to the communication issue
|
No
|
|
|
Incorrect or Missing configuration block programmed
|
ECU config block may be missing, incorrect, or unsupported
|
ECU is unable to initialize configuration parameters
|
No
|
|
|
Measurement of internal isolation (within the pack) is too low
|
Internal isolation is measured to be below the alert threshold
|
Pack may not come online
|
No
|
|
|
The Drive Inverter (DI) High Voltage Interlock Loop (HVIL) is reporting as unknown, breaking the overall High Voltage Battery (HVBATT) HVIL.
|
The DI HVIL is reported as unknown.
|
Vehicle may be unable to enter drive and may be unable to charge.
|
No
|
|
|
High-side pyro low-side switch (SR FET) is non-functional.
|
High-side pyro-P voltage does not rise to within a margin of the energy reserve voltage when the SR FET is enabled.
|
High-side pack High Voltage will be blocked, charge and drive may be unavailable.
|
No
|
|
|
There was an attempt to deploy the high-side pyro, but it was unsuccessful.
|
The firmware could not successfully trigger a high-side pyro deployment or there was an attempt to deploy the high-side pyro while the deployed test was actively running for the high-side pyro.
|
The vehicle may not drive or charge.
|
No
|
|
|
Negative contactor opened unexpectedly due to insufficient coil drive current.
|
Contactor state exited ECONOMIZED because coil current was too low.
|
Vehicle may lose propulsion or be unable to support LV system.
|
No
|