Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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PCS DCDC tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive
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DCDC converter tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC LV bus voltage reading differs from VCFRONT LV bus voltage reading by an excessive amount
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DCDC converter low voltage bus voltage sensor mismatches front vehicle controller's sensed value on CAN for more than three seconds
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC HV bus voltage reading differs from HVP HV bus voltage reading by an excessive amount
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DCDC converter high voltage bus voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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High DC offset present on charger output current sensor when charging is not enabled
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Charger output current sensor offset exceeds threshold for more than three seconds while charging is inactive
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Inability to AC charge
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Charging faulted due to too large of a voltage drop between starting charge and during charge
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Charger detects greater than 14% input voltage drop after ramping power
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Inability to AC charge, possibly due to bad wiring external to vehicle
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PCS DCDC hardware enable line does not match CAN signal
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DCDC converter detects that sensed enable hardline state does not match state reported on CAN for more than five seconds
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC detects 12V bus voltage is lower than the safety threshold to continue its operation
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DCDC converter detects that low voltage bus voltage is below undervoltage threshold
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS charging hardware enable line does not match CAN signal
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Charger detects that sensed enable hardline state does not match state reported on CAN for more than five seconds
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Inability to AC charge
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Charger detects unknown grid configuration
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Charger detects unknown grid configuration
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Inability to AC charge, possibly due to incompatible grid
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The Power Conversion System (PCS) does not receive one or more DCDC interface Controller Area Network (CAN) messages from the Vehicle Controller (VC)
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The PCS does not receive all expected DCDC interface CAN messages from the VC
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DCDC may not be able to regulate the LV bus voltage requested by the Vehicle Controller (VC)
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The Power Conversion System (PCS) DCDC HVDC Gate Drive Power Supply (GDPS) has not been correctly calibrated
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The DCDC HVDC GDPS calibration data is not present in NVM (DcdcHvdcGdpsDataMissing=1), or is not validated (DcdcHvdcGdpsDataOutOfSpec=1), or is stale (DcdcHvdcGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the DCDC HVDC MOSFETs.
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The Power Conversion System (PCS) AC line Gate Drive Power Supply (GDPS) has not been correctly calibrated
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The AC line GDPS calibration data is not present in NVM (AcLineGdpsDataMissing=1), or is not validated (AcLineGdpsDataOutOfSpec=1), or is stale (AcLineGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the AC line MOSFETS.
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The boost converter, which supplies power to various on-board circuits, has a current above the allowed threshold
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The boost converter current has gone above the allowed threshold
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DCDC and AC Charging may be limited or unavailable.
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The high voltage (HV) battery top voltage measurement is irrational
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The HV battery top voltage is irrationally high or low
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DCDC and AC Charging may be limited or unavailable.
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PCS DCDC timed out when attempting to discharge HV bus
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DCDC converter timed out when attempting to discharge HV bus
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Inability to perform vehicle precharge, CHAdeMO and GB DC compatibility may be impacted
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The Power Conversion System (PCS2) detects the microgrid frequency droops below its nominal level indicating microgrid is under heavy load
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The PCS2 ECU detects the microgrid frequency droops below its nominal level
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AC charging power will be temporarily limited depending on the droop level to reduce the load on the microgrid
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The Power Conversion System (PCS2) self-performed MOSFET health check is unsuccessful on Cyclo Converter A
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The PCS2 ECU does not pass the self-performed MOSFET health check on Cyclo Converter A
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AC Charging may be limited or unavailable.
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The Non-Volatile Memory (NVM) server encountered at least one error during initialization
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A step in the NVM server initialization sequence returns an error indication
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NVM record servicing is not possible, making Power Conversion System (PCS2) functionality limited or unavailable
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The Power Conversion System (PCS2) has detected that one of its DCDC stage's resonant tank current zero-crossing event measured timing is continuously out of our control
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The Power Conversion System (PCS2) has detected the resonant tank's zero-crossing behavior is out of its control, resulting in zero-crossing event measured timing being irrational
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The impacted DCDC stage may have a hardware integrity issue and may not be able to deliver power to its output
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The Power Conversion System (PCS2) has failed the self-performed Gate Drive Power Supply (GDPS) health check on Cyclo Converter B
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The PCS2 ECU does not pass the self-performed GDPS health check on Cyclo Converter B
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AC Charging may be limited or unavailable.
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