VCFRONT-A398
VCFRONT_a398_temperatureSensorCheckInconclusive
Also written as VCFRONT_A398 / VCFRONT A398 / VCFRONT_a398_temperatureSensorCheckInconclusive / vcfront_a398_temperaturesensorcheckinconclusive
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-A398 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. Refrigerant temperature sensor check did not pass or fail The power conversion system eFuse temperature value reported > 100degC. 100degC eFuse temperature instance.
Original Description
Refrigerant temperature sensor check did not pass or fail The power conversion system eFuse temperature value reported > 100degC. 100degC eFuse temperature instance.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: Refrigerant temperature sensor check did not pass or fail The power conversion system eFuse temperature value reported >
- 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-A398 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.