Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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The battery management system (BMS) detects that the high voltage processor (HVP) configuration doesn't match.
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The BMS detects an HVP configuration that does not match the expected configuration.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
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The battery management system (BMS) detects a large calculated amp-hour capacity (CAC) update.
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The BMS detects a change in CAC above the limit threshold.
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This alert is primarily informational.
|
No
|
|
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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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No
|
|
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The battery management system (BMS) detected a condition that indicates a BMB device fault.
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Any BMB device in the daisy chain reports any of the monitored fault indicators.
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This alert is primarily informational, and may indicate a potential BMB hardware failure that results in unreliable measurement data.
|
No
|
|
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The battery management system (BMS) has detected a mismatch between the pack voltage and DC Link voltage.
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The battery management system (BMS) has detected a mismatch between the pack voltage and DC Link voltage.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
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The Battery Management System (BMS) has detected one or more module temperatures exceed the warning threshold.
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The maximum module temperature is greater than the warning threshold.
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Vehicle performance is limited.
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No
|
|
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An uncorrectable error has been detected in the OTP (one-time programmable) memory for a battery monitoring board (BMB) device.
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Any BMB device reports an uncorrectable error in the OTP memory.
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This alert is primarily informational and is used for logging purposes. BMB device behavior may be impacted.
|
No
|
|
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A bleed Field-Effect Transistor (FET) on the Battery Management Board (BMB) is not operating as designed. This will prevent the battery from balancing the brick by decreasing the brick voltage.
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Upon a periodic wake, after an ECU reset, or every 6 hours, the Battery Management System (BMS) will test all bleed switches by switching them on in turn. If the sensed brick voltage does not significantly change, this alert is set.
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The bleed FET will prevent the battery from properly balancing the brick by bleeding the voltage down. There is a decrease in available energy to the vehicle potentially leading to decreased range.
|
No
|
|
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The battery management system (BMS) has detected a high voltage sense harness (VSH) impedance.
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The BMS detects a VSH impedance value above the threshold.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The battery management system (BMS) detects that the shunt is missing (MIA).
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The BMS does not receive one or more expected CAN messages from the shunt.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The Gateway packPerformanceDeviation config does not match the configured pack type.
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GTW_packPerformanceDeviation is not compatible with the configured pack type.
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This alert may indicate an incorrect config block, or that the installed pack is incompatible with the car config.
|
No
|
|
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The battery management system (BMS) detects that the high voltage (HV) battery config block does not match the configuration of the vehicle.
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GTW_packEnergy is not compatible with the configured pack type.
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This alert may indicate either an incorrect config block, or that the installed pack is incompatible with the car configuration.
|
No
|
|
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Battery pack 3 has pack voltage too low to allow dcdc support.
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Battery pack 3 has pack voltage below the voltage too low set threshold
|
LV support may be blocked
|
No
|
|
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The battery management system (BMS) has detected that at least one flood port is open.
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The BMS detects that voltage of the flood port switch sensor indicates that one or more flood ports is open.
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This alert is primarily informational and used for logging purposes.
|
No
|
|
|
The battery management system (BMS) has prevented pack contactors from closing due to one or more other alerts.
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One more BMS alerts that prevents pack contactors from closing is present.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
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The maximum charge level of the high voltage (HV) battery is exceeded.
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One or more battery management system (BMS) alerts that reduce the maximum charge limit are set, and the instantaneous charge level is higher than that limit.
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Vehicle will not be able to charge if connected to a power source, as the reduced maximum HV battery charge level is exceeded.
|
No
|
|
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The battery management system (BMS) detects that the high voltage (HV) battery is not charging enough while in a charging state.
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The BMS detects that the HV pack has been discharged to below the set threshold while charging.
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Inability to charge
|
No
|
|
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The battery management system (BMS) has detected a condition that prevents it from disabling the charge session.
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The HV battery is charging and the BMS detects a condition that prevents it from disabling the charge session.
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This alert is primarily informational and used for logging purposes.
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No
|
|
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The maximum charge level of the battery is limited by one or more alerts.
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One or more battery management system (BMS) alerts that reduce the maximum charge limit are set.
|
Maximum charge is reduced.
|
No
|
|
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The battery management system (BMS) cannot transition into the requested state because of a blocking condition.
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A blocking condition does not allow the BMS to transition into the requested state.
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Inability to charge, drive, or support the low voltage (LV) system
|
No
|