Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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 DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) self-performed MOSFET health check is unsuccessful on Cyclo Converter B.
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The PCS2 ECU does not pass the self-performed MOSFET health check on Cyclo Converter B
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DCAC may be limited or unavailable.
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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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DCAC may be limited or unavailable.
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The Power Conversion System Gen 2 Controller (PCS2) has detected the background Real Time Operating System (RTOS) task has over run its task timer.
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PCS2 detected the background RTOS task has over run its task timer.
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Background RTOS tasks may not function as expected. The task may be unreachable or unusable.
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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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DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) has failed the self-performed Gate Drive Power Supply (GDPS) health check on Cyclo Converter A.
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The PCS2 ECU does not pass the self-performed GDPS health check on Cyclo Converter A
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DCAC may be limited or unavailable.
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The high voltage (HV) side of the pack side DCDC converter (DCDCB) temperature is too high.
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DCDCB HV temperature exceeds the allowed temperature threshold
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DCDC functionality may be limited or paused
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The DCAC lifetime kVAh record is not ready for use.
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Lifetime kVAh accumulation counters for DCAC is not in an expected state
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Lifetime kVAh accumulation counters for DCAC cannot be stored
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The Power Conversion System (PCS) detects the initial high voltage (HV) bus voltage is too high to measure capacitance, so it must rely on the maximum possible capacitance value instead for HV bus impedance estimation.
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The initial HV bus voltage is too high to measure capacitance, so PCS must use maximum possible capacitance value to estimate HV bus impedance.
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PCS may underestimate the HV bus impedance.
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The Power Conversion System (PCS) cannot precharge the high voltage (HV) bus.
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The PCS detects one or more conditions preventing it from precharging the HV bus to its commanded voltage target
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The DCDC converter may not precharge the HV bus to its commanded voltage target, preventing HV battery pack contactors from closing.
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PCS does not receive CAN messages from VCRIGHT.
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PCS does not receive all expected CAN messages from right vehicle controller
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DCDC functionality may be limited
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The onboard charger has consumed all of its available retries and blocked further AC charging attempts.
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The onboard charger detects a condition requiring it to stop AC charging multiple times within one charge session.
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Inability to AC charge.
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The onboard charger detects power is removed while charging, making AC charging unavailable.
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Charger detects wall power was unexpectedly removed while charging.
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Inability to AC charge.
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The Power Conversion System (PCS) detects the estimated high voltage (HV) bus impedance is lower than the expected threshold.
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The estimated HV bus impedance is lower than the expected threshold.
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The DCDC converter may not precharge the HV bus to its commanded voltage target, preventing HV battery pack contactors from closing.
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DCDC transient power capability is detected to be reduced and impacted.
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One or more conditions occur that impact DCDC transient power capability
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DCDC transient capability will be reduced
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During the ac charging, the measured rms voltage across the lines has decreased below the high impedance detection RMS voltage threshold when compared to the RMS voltage at the start of AC charging.
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The root mean squared (RMS) voltage across the lines has decreased below the high impedance detection RMS voltage threshold
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AC charging functionality may be limited or paused
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The Power Conversion System (PCS) AC operating current is limited.
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The combined AC current derating factor is less than the limited current set threshold
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DCAC may be limited or unavailable.
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