VCFRONT2_a464 — High Flow Index High Subcool Flagged
Full alert identifier: VCFRONT2_a464_highFlowIndexHighSubcoolFlagged
Alert description
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.
Potential impact
Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.
Set condition
The estimated refrigerant flow index is above the expected level, and the subcool is high.
Clear condition
Clears automatically when vehicle is asleep.
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
VCFRONT2_
|
— |
Flow Index Filtered
VCFRONT2_
|
— |
Subcool
VCFRONT2_
|
degC |
Subcool Filtered
VCFRONT2_
|
degC |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT2_a464.