VCFRONT_a139 — Refrig Suct Pres Sns
Full alert identifier: VCFRONT_a139_refrigSuctPresSns
Alert description
The front vehicle controller (VCFRONT) detects the refrigerant suction pressure sensor is experiencing an electrical condition (short or disconnect).
Potential impact
Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
Set condition
The refrigerant suction pressure sensor reads a power rail or ground reference voltage.
Clear condition
The refrigerant suction pressure 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 Payload 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.