Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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Etherloop Generalized Gateway (EGGRIGHT) detects a condition affecting RC CAN bus. Alert log signal data should provide more information on specific condition.
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Number of CAN transmit or receive errors exceeds 127.
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EGGRIGHT is unable to transmit or receive messages on RC CAN bus, making communication unavailable.
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No
|
|
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Etherloop Generalized Gateway (EGGRIGHT) detects a condition affecting RCMPRIVATE CAN bus. Alert log signal data should provide more information on specific condition.
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Number of CAN transmit or receive errors exceeds 127.
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EGGRIGHT is unable to transmit or receive messages on RCMPRIVATE CAN bus, making communication unavailable.
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No
|
|
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Etherloop Generalized Gateway (EGGRIGHT) detects a condition affecting EGGRIGHTPRIV CAN bus. Alert log signal data should provide more information on specific condition.
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Number of CAN transmit or receive errors exceeds 127.
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EGGRIGHT is unable to transmit or receive messages on EGGRIGHTPRIV CAN bus, making communication unavailable.
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No
|
|
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Radiator outlet coolant temperature is higher than the nominal expected value under similar operating conditions.
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The difference between radiator outlet coolant temperature and the expected temperature exceeds the threshold.
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HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
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No
|
|
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The Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node detects low coolant flow based on the pump's flow model using the phase current.
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The coolant flow index is less than 40.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
|
No
|
|
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The Supermanifold Vehicle Controller (VCSUPER) and Etherloop Generalized Gateway Right (EGGRIGHT3) controller area network (CAN) node detects an incomplete coolant air purge due to abnormal pump current profile or terminated purge routine.
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The pump current profile is abnormal, or the purge routine is terminated before completion.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
|
No
|
|
|
The vehicle controller detects a refrigerant condition, such as low refrigerant or a blocked refrigerator filter, which may prevent the A/C compressor from operating as expected due to high suction superheat if no other heat pump modes are available.
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The vehicle controller detects low refrigerant, a blocked refrigerant filter, or other refrigerant related conditions on the A/C compressor.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
|
No
|
|
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The compressor power index is lower than expected, which typically indicates a condition affecting the compressor. This can also indicate a condition affecting the discharge or suction pressure sensors. The compressor power index measures the ratio of estimated nominal compressor power consumption against electrical power the compressor actually consumes. A low index value indicates the compressor is drawing / consuming significantly more power than a nominal compressor would be expected to consume.
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The compressor power index, which compares expected compressor power consumption against actual consumption, drops below expected levels.
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Thermal system may show reduced effectiveness. Cabin climate control performance may be limited, with cabin heating / cooling not performing at expected levels.
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No
|
|
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Low flow index has been detected at high subcool at steady state or suction superheat is found to be abnormally low, which indicates that air bubbles are circulating in the refrigerant system.
|
The vehicle detects at least two of the following: low flow index at high subcool on either Chiller Only or Evap Only modes or abnormally low suction superheat.
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The thermal system may not perform as expected and the electronic expansion valves (EXV) will open wider to accommodate the air bubbles in the system.
|
No
|
|
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Actual compressor power is lower than expected, as measured by the compressor power index.
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This alert is set when compressor power index is above expected levels
|
Refrigerant compressor functionality may be affected, along with general HVAC performance.
|
No
|
|
|
The vehicle controller detects the actual A/C compressor power is lower than expected.
|
The A/C compressor power index is lower than expected.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
|
No
|
|
|
The vehicle controller detects a discrepancy in the estimated refrigerant flow rates between the A/C compressor and recirculation electronic expansion valve (EXV) as the estimated refrigerant flow index is higher than expected while the subcool is low.
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The estimated refrigerant flow index is above the expected level, and the subcool is low.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
|
No
|
|
|
The flow index value is low at high subcool. The refrigerant flow rate through the electronic expansion valves (EXV) is not meeting the expected value when compared to the compressor refrigerant flow rate.
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The vehicle detects that refrigerant flow index is below expected levels and subcool is high.
|
The thermal system may not perform as expected.
|
No
|
|
|
The vehicle controller detects a discrepancy in the estimated refrigerant flow rates between the A/C compressor and recirculation electronic expansion valve (EXV) as the estimated refrigerant flow index is higher than expected while the subcool is high.
|
The estimated refrigerant flow index is above the expected level, and the subcool is high.
|
Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
|
No
|
|
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The vehicle controller detects the isentropic check for the refrigerant discharge temperature (TD) is unsuccessful, indicating the A/C compressor mass flow rate is below the expected level.
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The isentropic check for the TD is unsuccessful.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
|
No
|
|
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The vehicle controller detects that the Thermal Fill Drain service routine is being run while the vehicle is in Drive.
|
The Thermal Fill Drain service routine is run.
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Cabin climate control system air conditioning and heating may be limited or unavailable. Powertrain performance may be limited.
|
No
|
|
|
The refrigerant system has not been commissioned or has been decommissioned by the Thermal Fill Drain service routine.
|
The Thermal Fill Drain service routine is run.
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Powertrain and HVAC performance will be limited, the compressor will be limited to 2000rpm.
|
No
|
|
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The vehicle controller detects a condition(s) affecting the Thermal Management System that prevents it from performing as designed.
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The vehicle controller detects a condition(s) affecting the Thermal Management System. Alert log signal data for the cabinHVACUnavailableContext alert should provide more information on the specific condition(s) detected.
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Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
|
No
|
|
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Condition(s) affecting the thermal management system have reduced cabin heating and/or cooling performance or made cabin heating and/or cooling unavailable.
|
May set due to many possible conditions affecting thermal management system functionality. Alert log signal data should provide information on specific condition(s).
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Cabin heating and/or cooling performance may be limited, or cabin heating and/or cooling may be unavailable.
|
No
|
|
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HV Battery Discharge routine is running with reduced power, the battery will discharge at a lower rate than expected.
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System condition are not met for full power discharge of the HV battery.
|
Refer to HV Battery Discharge routine documentation.
|
No
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