Is CHG_F012 the same as CHG-F012?

Yes. CHG_F012, CHG F012, and CHG-F012 are alternate spellings of the same Tesla alert code. Also written as: CHG-F012, CHG_F012, CHG F012, CHG_f012_hwFastChargeDriver, chg_f012_hwfastchargedriver.

What symptoms can CHG-F012 cause?

Charger alert: The Fast Charger (FC) contactor drive circuit has shorted to ground while the contactors are requesting to be closed. Vehicle shows charging error immediately after plugging in Charge port light stays red or does not respond

What should I check for CHG-F012?

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

Is it safe to drive with CHG-F012?

🔴 Do NOT drive. Stop safely and call for roadside assistance immediately.

TESLA Fault

CHG-F012

CHG_f012_hwFastChargeDriver

Also written as CHG_F012 / CHG F012 / CHG_f012_hwFastChargeDriver / chg_f012_hwfastchargedriver

System

CHG

Charger

Type

Fault

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-F012 mean?

Tesla fault code in the Charger (CHG) module. The Fast Charger (FC) contactor drive circuit has shorted to ground while the contactors are requesting to be closed.

Original Description

The Fast Charger (FC) contactor drive circuit has shorted to ground while the contactors are requesting to be closed.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

Charger alert: The Fast Charger (FC) contactor drive circuit has shorted to ground while the contactors are requesting to be closed.
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-F012 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

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