CHG-F100
CHG_f100_hw15VUV
Also written as CHG_F100 / CHG F100 / CHG_f100_hw15VUV / chg_f100_hw15vuv
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-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.
Affected Tesla Models
What You May Notice
- Charger alert: One of the charger phase board (CHGPH) electronic control unit (ECU) is sensing a failed 15V power supply which will pre
- Vehicle shows charging error immediately after plugging in
- Charge port light stays red or does not respond
How to Diagnose and Resolve
- 1 Try a different outlet or charging cable
- 2 Check if your circuit breaker has tripped
- 3 Reboot the vehicle and attempt to charge again
- 4 Schedule a Tesla Service appointment — the on-board charger may need replacement
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.