TESLA Fault

CHG_f100

CHG_f100_hw15VUV

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

What does CHG_f100 mean?

Tesla fault code in the Charger (CHG) module. One of the charger phase board (CHGPH) electronic control unit (ECU) is sensing a failed 15V power supply which will prevent charging. The 15V is boosted from a 12V power supply on the VI board.

Original Description

One of the charger phase board (CHGPH) electronic control unit (ECU) is sensing a failed 15V power supply which will prevent charging. The 15V is boosted from a 12V power supply on the VI board.

Severity Notes

CHG_f100 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

View all CHG codes →

Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.