Skip to content

VCFRONT2_a447 — Cabin HVAC Unavailable

Full alert identifier: VCFRONT2_a447_cabinHVACUnavailable

Message shown in the car

Cabin climate control system requires service Cabin heating / cooling limited or unavailable

Alert description

The vehicle controller detects a condition(s) affecting the Thermal Management System that prevents it from performing as designed.

Potential impact

Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.

Set condition

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.

Clear condition

The vehicle controller no longer detects a condition(s) affecting the Thermal Management System.

Signals to check

These diagnostic fields are associated with VCFRONT2_a447. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Active Louver Compromised VCFRONT2_a447_activeLouverCompromised —
Ambient Sourcing Compromised VCFRONT2_a447_ambientSourcingCompromised —
Case HVAC Unavailable VCFRONT2_a447_caseHVACUnavailable —
Coolant System Compromised VCFRONT2_a447_coolantSystemCompromised —
Coolant Valve Compromised VCFRONT2_a447_coolantValveCompromised —
Heat Pump HVAC Unavailable VCFRONT2_a447_heatPumpHVACUnavailable —
Hv Batt Active Dischg Compromised VCFRONT2_a447_hvBattActiveDischgCompromised —
Hv Battery Discharging Compromised VCFRONT2_a447_hvBatteryDischargingCompromised —
Show 10 more fields
Signal Unit
Lcc Solenoid Compromised VCFRONT2_a447_lccSolenoidCompromised —
Powertrain Thermal Fans Compromised VCFRONT2_a447_powertrainThermalFansCompromised —
Refrig Discharge Press Compromised VCFRONT2_a447_refrigDischargePressCompromised —
Refrig Liquid Press Compromised VCFRONT2_a447_refrigLiquidPressCompromised —
Refrig Liquid Temp Compromised VCFRONT2_a447_refrigLiquidTempCompromised —
Refrig Suction Press Compromised VCFRONT2_a447_refrigSuctionPressCompromised —
Refrig Suction Temp Compromised VCFRONT2_a447_refrigSuctionTempCompromised —
Refrige Discharge Temp Compromised VCFRONT2_a447_refrigeDischargeTempCompromised —
Refrigerant System Compromised VCFRONT2_a447_refrigerantSystemCompromised —
Scavenge Loop Compromised VCFRONT2_a447_scavengeLoopCompromised —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT2_a447.

Browse all VCFRONT2 alert codes