VCFRONT_a459 — Thermal Fill And Drive
Full alert identifier: VCFRONT_a459_thermalFillAndDrive
Message shown in the car
Thermal system fill / drain detected while in drive Powertrain / HVAC performance may be limited
Alert description
The vehicle controller detects that the Thermal Fill Drain service routine is being run while the vehicle is in Drive.
Potential impact
Cabin climate control system air conditioning and heating may be limited or unavailable. Powertrain performance may be limited.
Set condition
The Thermal Fill Drain service routine is run.
Clear condition
The Thermal Fill Drain service routine is stopped.
Signals to check
These diagnostic fields are associated with VCFRONT_a459. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Coolant Fill Active
VCFRONT_
|
— |
Refrigerant Fill Active
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a459.