VCFRONT_a139 — Refrig Suct Pres Sns
Full alert identifier: VCFRONT_a139_refrigSuctPresSns
Alert description
The refrigerant suction pressure sensor has an electrical fault (disconnect, short, or internal). HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
Potential impact
HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
Set condition
The sensor reads a power rail or ground reference voltage.
Clear condition
The sensor no longer reads a power rail or ground reference voltage.
Signals to check
These diagnostic fields are associated with VCFRONT_a139. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Sns Disconnect
VCFRONT_
|
— |
Sns Rate Change Down
VCFRONT_
|
— |
Sns Rate Change Up
VCFRONT_
|
— |
Sns Short Circuit
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a139.