VCFRONT_a465 — Low Flow Index High Subcool Flagged
Full alert identifier: VCFRONT_a465_lowFlowIndexHighSubcoolFlagged
Alert description
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.
Potential impact
The thermal system may not perform as expected.
Set condition
The vehicle detects that refrigerant flow index is below expected levels and subcool is high.
Clear condition
The alert will clear once the vehicle wakes from Sleep mode or when low flow index is no longer observed at high subcool.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Flow Index
VCFRONT_
|
— |
Flow Index Filtered
VCFRONT_
|
— |
Subcool
VCFRONT_
|
degC |
Subcool Filtered
VCFRONT_
|
degC |
| Signal | Unit |
|---|---|
Flagged At Steady State
VCFRONT_
|
— |
Flagged At Unsteady State
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a465.