TESLA Alert

VCFRONT-A394

VCFRONT_a394_pressureSensorCheckFault

Also written as VCFRONT_A394 / VCFRONT A394 / VCFRONT_a394_pressureSensorCheckFault / vcfront_a394_pressuresensorcheckfault

System
VCFRONT
Vehicle Controller Front
Type
Alert
Category
Network
Severity
Alert

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-A394 mean?

Tesla alert code in the Vehicle Controller Front (VCFRONT) module. One or more of the refrigerant pressure sensors is faulted The stability controller eFuse temperature value reported > 100degC.

Original Description

One or more of the refrigerant pressure sensors is faulted The stability controller eFuse temperature value reported > 100degC.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Vehicle Controller Front alert: One or more of the refrigerant pressure sensors is faulted The stability controller eFuse temperature value reported > 1
  • Some features (climate, lights, or charging) may be temporarily unavailable
  • Alert notification in the Tesla app

How to Diagnose and Resolve

  1. 1 Perform a soft reboot (hold both scroll wheels)
  2. 2 Check for pending OTA software updates in Controls > Software
  3. 3 If multiple features remain non-functional, schedule a service appointment

Severity Notes

VCFRONT-A394 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.

Other VCFRONT Codes

View all VCFRONT codes →