VCFRONT-A243
VCFRONT_a243_12VOverchargeInstc
Also written as VCFRONT_A243 / VCFRONT A243 / VCFRONT_a243_12VOverchargeInstc / vcfront_a243_12voverchargeinstc
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-A243 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. A single instance of an overcharge scenario where Amp Hour count went higher than 5Ah. Brake fluid sensor is disconnected or has a short circuit. Brake fluid is no longer faulted. Brakes may not work as expected. The front vehicle controller has opened the voltage supply circuit to the stability controller. The front vehicle controller e-fuse circuit has been detected as open. The front controller no longer detects the circuit as open after a retry or sleep cycle. Stability controller functionality is reduced.
Original Description
A single instance of an overcharge scenario where Amp Hour count went higher than 5Ah. Brake fluid sensor is disconnected or has a short circuit. Brake fluid is no longer faulted. Brakes may not work as expected. The front vehicle controller has opened the voltage supply circuit to the stability controller. The front vehicle controller e-fuse circuit has been detected as open. The front controller no longer detects the circuit as open after a retry or sleep cycle. Stability controller functionality is reduced.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: A single instance of an overcharge scenario where Amp Hour count went higher than 5Ah. Brake fluid sensor is disconnecte
- 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-A243 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.