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2025 FORD F-150
3.5L V6 PowerBoost Hybrid•4WD•AUTOMATIC•hybrid•turbo
12 active safety recalls on this vehicle — view recalls
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Repairs0Labor505Torque148Fluid10DTC1896Battery1Maintenance0Recalls12
P3293high severityPowertrain

HV Charging System Ground Fault Interrupt (GFI) Trip

on 2025 Ford F-150 3.5L V6 PowerBoost Hybrid · 4WD

What this code means

The HV charging system ground fault interrupter has tripped during a charging session, indicating a potential current leak to ground.

Symptoms

  • Charging session terminated immediately
  • GFI fault displayed
  • Unable to restart charging
  • EVSE may also show fault
  • Intermittent charge interruptions

Common causes

  • Moisture in charge port or HV connector
  • HV cable insulation degradation
  • Onboard charger internal ground fault
  • EVSE ground fault sensitivity
  • Home wiring ground/neutral issue

Diagnostic steps

  1. Inspect charge port for moisture or debris
  2. Test HV system isolation resistance
  3. Try charging at different EVSE
  4. Check home electrical grounding
  5. Read OBC ground fault current data

Repair notes

Dry and clean charge port. Test HV isolation. If vehicle-side fault confirmed, inspect HV cable insulation and onboard charger. Have electrician verify home wiring if fault only occurs at home.

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