VCFRONT family
VCFRONT_a138_refrigSuctTempSns
Not Available
What does the VCFRONT_a138_refrigSuctTempSns alert mean?
The front vehicle controller (VCFRONT) detects the refrigerant suction temperature sensor is experiencing an electrical condition (short or disconnect).
What you'll see in your Tesla
- Not Available
What triggers it
The refrigerant suction temperature sensor reads a power rail or ground reference voltage.
When it clears
The refrigerant suction temperature sensor no longer reads a power rail or ground reference voltage.
Potential impact
Cabin climate control system air conditioning may be limited or unavailable. Powertrain performance may be limited.
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.