VCFRONT-A453
VCFRONT_a453_dischargeTempSensIntermittent
Also written as VCFRONT_A453 / VCFRONT A453 / VCFRONT_a453_dischargeTempSensIntermittent / vcfront_a453_dischargetempsensintermittent
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does VCFRONT-A453 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The refrigerant discharge temperature sensor signal is intermittent The front vehicle controller has opened the voltage supply circuit to the left vehicle controller. Functions on the left side of the vehicle will no longer work including phone as key and the drive inverter.
Original Description
The refrigerant discharge temperature sensor signal is intermittent The front vehicle controller has opened the voltage supply circuit to the left vehicle controller. Functions on the left side of the vehicle will no longer work including phone as key and the drive inverter.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The refrigerant discharge temperature sensor signal is intermittent The front vehicle controller has opened the voltage
- Some features (climate, lights, or charging) may be temporarily unavailable
- Alert notification in the Tesla app
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels)
- 2 Check for pending OTA software updates in Controls > Software
- 3 If multiple features remain non-functional, schedule a service appointment
Severity Notes
VCFRONT-A453 is an Alert in the Vehicle Controller Front system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.