VCFRONT_a611 — Poor Radiator Heat Rejection
Full alert identifier: VCFRONT_a611_poorRadiatorHeatRejection
Alert description
Radiator outlet coolant temperature is higher than the nominal expected value under similar operating conditions.
Potential impact
HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
Set condition
The difference between radiator outlet coolant temperature and the expected temperature exceeds the threshold.
Clear condition
The alert clears after the vehicle sleeps.
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 |
|---|---|
Compressor Power
VCFRONT_
|
W |
Coolant Flow
VCFRONT_
|
LPM |
Heat Gen Total
VCFRONT_
|
W |
Rad Coolant To Air UA Est
VCFRONT_
|
W/degC |
Rad Fan Speed
VCFRONT_
|
RPM |
Temp Ambient Raw
VCFRONT_
|
degC |
Temp Coolant Rad Outlet Actual
VCFRONT_
|
degC |
Temp Coolant Rad Outlet Est
VCFRONT_
|
degC |
| Signal | Unit |
|---|---|
Is Coolant Mode Parallel
VCFRONT_
|
— |
Is Coolant Mode Series
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a611.