TESLA Alert

VCFRONT-A359

VCFRONT_a359_postPORExcessiveAh

Also written as VCFRONT_A359 / VCFRONT A359 / VCFRONT_a359_postPORExcessiveAh / vcfront_a359_postporexcessiveah

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-A359 mean?

Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The amp hours into the 12V battery went above 27Ah, meaning the battery suffered a deep discharge event. 27Ah detected into the 12V battery. The 12V battery may not be able to hold on to a charge and should be replaced. First part of Direct Current Resitance test results.

Original Description

The amp hours into the 12V battery went above 27Ah, meaning the battery suffered a deep discharge event. 27Ah detected into the 12V battery. The 12V battery may not be able to hold on to a charge and should be replaced. First part of Direct Current Resitance test results.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Vehicle Controller Front alert: The amp hours into the 12V battery went above 27Ah, meaning the battery suffered a deep discharge event. 27Ah detected i
  • 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-A359 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 →