TESLA Fault

CHG-F094

CHG_f094_igbtTempRationality

Also written as CHG_F094 / CHG F094 / CHG_f094_igbtTempRationality / chg_f094_igbttemprationality

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-F094 mean?

Tesla fault code in the Charger (CHG) module. The charger is detecting an insulated-gate bipolar transistor (IGBT) temperature error.

Original Description

The charger is detecting an insulated-gate bipolar transistor (IGBT) temperature error.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Charger alert: The charger is detecting an insulated-gate bipolar transistor (IGBT) temperature error.
  • 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-F094 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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