TESLA Fault

CHG-F002

CHG_f002_hwBoost

Also written as CHG_F002 / CHG F002 / CHG_f002_hwBoost / chg_f002_hwboost

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-F002 mean?

Tesla fault code in the Charger (CHG) module. This alert indicates the charger boost voltage is not at the expected level.

Original Description

This alert indicates the charger boost voltage is not at the expected level.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Charger alert: This alert indicates the charger boost voltage is not at the expected level.
  • 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-F002 is classified as a Fault, indicating a critical issue in the Charger system. Do not continue driving and contact Tesla Service immediately.

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