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VCFRONT2_a466 — High Flow Index Low Subcool Flagged

Full alert identifier: VCFRONT2_a466_highFlowIndexLowSubcoolFlagged

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 low.

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 low.

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_a466_flowIndex —
Flow Index Filtered VCFRONT2_a466_flowIndexFiltered —
Subcool VCFRONT2_a466_subcool degC
Subcool Filtered VCFRONT2_a466_subcoolFiltered degC

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT2_a466.

Browse all VCFRONT2 alert codes