Alerts
Loading...
| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
Charger output over current
|
Charger DC output current exceeds maximum output current threshold
|
Reduced AC charge rate or inability to AC charge
|
No
|
|
|
Charger input line over current
|
Charger AC input current exceeds maximum input current threshold
|
Reduced AC charge rate or inability to AC charge
|
No
|
|
|
The onboard charger detects an input current value outside expected range, reducing AC charge rate or making AC charging unavailable. This alert frequently sets during grid transients that cause the input current to deviate from the expected range.
|
The onboard charger detects an input current value outside expected range.
|
Reduced AC charge rate or inability to AC charge.
|
No
|
|
|
The Power Conversion System (PCS2) did not receive one or more Controller Area Network (CAN) messages from the Front Vehicle Controller (VCFRONT).
|
The PCS2 does not receive one or more expected CAN messages from VCFRONT.
|
The PCS2 may limit DCDC functionality to prevent overheating of power electronics components.
|
No
|
|
|
PCS does not receive CAN messages from VC that manages the low voltage battery
|
PCS does not receive all expected CAN messages from VC that manages the low voltage battery
|
DCDC functionality may be limited
|
No
|
|
|
The low voltage (LV) side of the DC link DCDC converter (DCDCB) temperature is too high
|
DCDCB LV temperature exceeds the allowed temperature threshold
|
DCDC functionality may be limited or paused
|
No
|
|
|
The Power Conversion System (PCS) DC tank Gate Drive Power Supply (GDPS) has not been correctly calibrated
|
The DC tank GDPS calibration data is not present in NVM (DcTankGdpsDataMissing=1), or is not validated (DcTankGdpsDataOutOfSpec=1), or is stale (DcTankGdpsDataStale=1)
|
The PCS will use inaccurate GDPS calibration data, which may stress the DC tank MOSFETs.
|
No
|
|
|
The Power Conversion System (PCS) AC tank Gate Drive Power Supply (GDPS) has not been correctly calibrated
|
The AC tank GDPS calibration data is not present in NVM (AcTankGdpsDataMissing=1), or is not validated (AcTankGdpsDataOutOfSpec=1), or is stale (AcTankGdpsDataStale=1)
|
The PCS will use inaccurate GDPS calibration data, which may stress the AC tank MOSFETs.
|
No
|
|
|
The Power Conversion System (PCS) ADC reference has not been correctly calibrated.
|
The ADC reference data is not present in non-volatile memory (adcReferenceDataMissing=1) or is not validated (adcReferenceOutOfSpec=1).
|
The PCS will use the default ADC reference of 1.0.
|
No
|
|
|
The Power Conversion System (PCS2) detects the previous Direct Current to Direct Current (DCDC) Burst Mode on cycle did not complete in time, indicating there are still burst patterns that are not loaded into the Pulse Width Modulation (PWM).
|
The PCS2 detects the previous DCDC Burst Mode contains a switching pattern that is no loaded into the Pulse Width Modulation (PWM) module.
|
DCDC Burst Mode may not operate as expected.
|
No
|
|
|
The low voltage (LV) side of the DC link DCDC converter (DCDCB) temperature is too high
|
DCDCB LV temperature exceeds the allowed temperature threshold
|
DCDC functionality may be limited or paused
|
No
|
|
|
Charging derated due to high measured grid impedance (impedance detection algorithmn)
|
TBD - not yet implemented
|
TBD - not yet implemented
|
No
|
|
|
The Power Conversion System (PCS2) detects the voltage sensor readings before and after the AC relay does not match the expected behavior of the given AC relay state.
|
The AC relay voltage difference exceeds the expected threshold.
|
DCAC functionality may be limited or paused.
|
No
|
|
|
The Power Conversion System (PCS) is unable to regulate internal voltage rails.
|
The buck-boost converter did not reach the desired voltage.
|
DCDC and AC Charging may be limited or unavailable.
|
No
|
|
|
The Power Conversion System (PCS2) detects that the DCAC converter's shared leg current is not shared evenly when the legs are shorted by either the AC harness or the AC relay.
|
The shared leg current difference exceeds the expected threshold.
|
The DCAC converters will have reduced power capabilities.
|
No
|
|
|
The generated power rail (4.5V, 10V, or 18V) has gone above than the allowed upper threshold
|
The power rail (4.5V, 10V or 18V) has gone above than the allowed upper threshold
|
DCDC and AC Charging may be limited or unavailable.
|
No
|
|
|
The Power Conversion System Gen 2 Controller (PCS2) has detected the background Real Time Operating System (RTOS) task has over run its task timer.
|
PCS2 detected the background RTOS task has over run its task timer.
|
Background RTOS tasks may not function as expected. The task may be unreachable or unusable.
|
No
|
|
|
All charger phases are faulted, not able to deliver power to the battery pack
|
All charger phases are faulted and retries are exhausted
|
Inability to AC charge
|
No
|
|
|
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.
|
The initial HV bus voltage is too high to measure capacitance, so PCS must use maximum possible capacitance value to estimate HV bus impedance.
|
PCS may underestimate the HV bus impedance.
|
No
|
|
|
The Power Conversion System (PCS) cannot precharge the high voltage (HV) bus.
|
The PCS detects one or more conditions preventing it from precharging the HV bus to its commanded voltage target
|
The DCDC converter may not precharge the HV bus to its commanded voltage target, preventing HV battery pack contactors from closing.
|
No
|