VCFRONT-A139
VCFRONT_a139_refrigSuctPresSns
What does VCFRONT-A139 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The refrigerant suction pressure sensor has an electrical fault (disconnect, short, or internal). HVAC cabin cooling (air conditioning) and powertrain performance may be limited. The front vehicle controller has opened the voltage supply circuit to the right vehicle controller. Functions on the right side of the vehicle will no longer work including phone as key and the drive inverter.
Original 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. The front vehicle controller has opened the voltage supply circuit to the right vehicle controller. Functions on the right side of the vehicle will no longer work including phone as key and the drive inverter.
Severity Notes
VCFRONT-A139 is an Alert in the Vehicle Controller Front system. It is generally safe to continue driving, but have it checked at your next scheduled service.