TESLA Fault

CHG-F031

CHG_f031_VLineFreqUF

Also written as CHG_F031 / CHG F031 / CHG_f031_VLineFreqUF / chg_f031_vlinefrequf

System
CHG
Charger
Type
Fault
Category
Charging
Severity
Fault (Critical)

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 CHG-F031 mean?

Tesla fault code in the Charger (CHG) module. This alert indicates the input line frequency is below the expected minimum threshold.

Original Description

This alert indicates the input line frequency is below the expected minimum threshold.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Charger alert: This alert indicates the input line frequency is below the expected minimum threshold.
  • Vehicle shows charging error immediately after plugging in
  • Charge port light stays red or does not respond

How to Diagnose and Resolve

  1. 1 Try a different outlet or charging cable
  2. 2 Check if your circuit breaker has tripped
  3. 3 Reboot the vehicle and attempt to charge again
  4. 4 Schedule a Tesla Service appointment — the on-board charger may need replacement

Severity Notes

CHG-F031 is classified as a Fault, indicating a critical issue in the Charger system. Do not continue driving and contact Tesla Service immediately.

Other CHG Codes

CHG_d001 Tesla diagnostic code in the Charger (CHG) module. The alert... CHG_d011 CHG_f001 Tesla fault code in the Charger (CHG) module. The charger re... CHG_f002 Tesla fault code in the Charger (CHG) module. This alert ind... CHG_f009 Tesla fault code in the Charger (CHG) module. The charger's ... CHG_f010 Tesla fault code in the Charger (CHG) module. This alert is ... CHG_f011 Tesla fault code in the Charger (CHG) module. The charging h... CHG_f012 Tesla fault code in the Charger (CHG) module. The Fast Charg...
View all CHG codes →