VCFRONT_a175 — Ambient Temp Sns
Full alert identifier: VCFRONT_a175_ambientTempSns
Alert description
The vehicle controller detects the ambient temperature sensor on the refrigerant compressor is experiencing an electrical condition (short or disconnect), which may prevent the refrigerant compressor from running as expected.
Potential impact
Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
Set condition
The ambient temperature sensor reads a power rail or ground reference voltage.
Clear condition
The ambient temperature sensor no longer reads a power rail or ground reference voltage.
Signals to check
These diagnostic fields are associated with VCFRONT_a175. 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_a175.