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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

These diagnostic fields are associated with VCFRONT_a465. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Flagged At Steady State VCFRONT_a465_flaggedAtSteadyState —
Flagged At Unsteady State VCFRONT_a465_flaggedAtUnsteadyState —
Flow Index VCFRONT_a465_flowIndex —
Flow Index Filtered VCFRONT_a465_flowIndexFiltered —
Subcool VCFRONT_a465_subcool degC
Subcool Filtered VCFRONT_a465_subcoolFiltered degC

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a465.

Browse all VCFRONT alert codes