Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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HVBATT detects that any module in the battery sub pack cannot measure temperature properly.
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A battery monitoring board (BMB) detects that all of the thermistors on a module are BAD or SNA.
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Inability to charge, drive, or support the low voltage (LV) system.
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HVBATT cannot measure the temperature on any module in subpack 2.
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All temperature sensors in subpack 2 are reporting faulty measurement readings.
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Inability to charge, drive, or support the low voltage (LV) system.
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HVBATT cannot measure the temperature on any module in subpack 1.
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All temperature sensors in subpack 1 are reporting faulty measurement readings.
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Inability to charge, drive, or support the low voltage (LV) system.
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The battery management system (BMS) detects that one or more temperature measurements are irrational.
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A thermistor reports a temperature that the BMS considers irrational.
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This alert is primarily informational.
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DPDT module is in the parallel state but hvsense lines show a mismatch.
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DPDT is in the parallel state, and hsPackHvSenseN does not equal dclinkN or lsPackHvSenseP does not equal dclinkP.
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The vehicle may be unable to charge.
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DPDT module is in the series state but the hvsense lines show a mismatch.
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DPDT is in the series state and hsPackHvSenseN does not equal lsPackHvSenseP.
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The vehicle may be unable to drive or support the LV system.
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A trigger pulse was observed from the high-side passive pyro circuit and the passive trigger duration was measured.
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A trigger pulse was observed from the high-side passive pyro circuit.
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None.
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A trigger pulse was observed from the low-side passive pyro circuit and the passive trigger duration was measured.
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A trigger pulse was observed from the low-side passive pyro circuit.
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None.
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A graceful power (GPO) off has been activated by the battery management system (BMS).
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The BMS detects a condition that requires it to start GPO.
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Inability to charge, drive, or support the low voltage (LV) system
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The BMS detects that the state of charge (SOC) of the high voltage (HV) battery is too low to support driving.
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The BMS detects that the SOC is below the threshold to support driving.
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The vehicle begins end-of-drive ramp down.
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The battery management system (BMS) has reduced power for driving.
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The BMS detects a condition that requires it to put the vehicle in limp mode.
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Power is reduced.
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A fault has been detected in the AC Junction Box (ACJB) Ground Fault Circuit Interrupter (GFCI) sensor circuit.
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GFCI current sensor measurements are invalid.
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AC outlets may be unavailable.
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The Ground Fault Circuit Interrupter (GFCI) current sensor measured a leakage current above the trip threshold.
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The GFCI current sensor measures a leakage current for a sufficient amount of time to trip.
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AC outlets may be unavailable.
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The High Voltage Battery (HVBATT) estimates that the state of charge (SOC) is too low to provide low voltage (LV) support.
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The HVBATT estimates that the SOC is below the threshold to provide LV support.
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The vehicle may be unable to drive or support the LV system.
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The High Voltage Battery (HVBATT) detects the Charge Port High Voltage Interlock Loop (CPIL) measurement circuit is non-functional.
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The HVBATT detects an internal condition affecting the CPIL measurement circuit.
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The vehicle may be unable to charge.
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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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