VCFRONT_a447 — Cabin HVAC Unavailable
Full alert identifier: VCFRONT_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 VCFRONT_a447. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Active Louver Compromised
VCFRONT_
|
— |
Ambient Sourcing Compromised
VCFRONT_
|
— |
Case HVAC Unavailable
VCFRONT_
|
— |
Coolant System Compromised
VCFRONT_
|
— |
Coolant Valve Compromised
VCFRONT_
|
— |
Heat Pump HVAC Unavailable
VCFRONT_
|
— |
Hv Batt Active Dischg Compromised
VCFRONT_
|
— |
Hv Battery Discharging Compromised
VCFRONT_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
Lcc Solenoid Compromised
VCFRONT_
|
— |
Powertrain Thermal Fans Compromised
VCFRONT_
|
— |
Refrig Discharge Press Compromised
VCFRONT_
|
— |
Refrig Liquid Press Compromised
VCFRONT_
|
— |
Refrig Liquid Temp Compromised
VCFRONT_
|
— |
Refrig Suction Press Compromised
VCFRONT_
|
— |
Refrig Suction Temp Compromised
VCFRONT_
|
— |
Refrige Discharge Temp Compromised
VCFRONT_
|
— |
Refrigerant System Compromised
VCFRONT_
|
— |
Scavenge Loop Compromised
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a447.