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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
P3401moderate severityPowertrain

Onboard Charger AC Input Voltage Out of Range

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

What this code means

The OBC is detecting AC input voltage outside the acceptable range for charging.

Symptoms

  • Charging does not start
  • Charging fault indicator
  • Error message about power supply
  • Intermittent charge failures
  • Charging works at some locations but not others

Common causes

  • Unstable grid voltage
  • Faulty EVSE (charging station)
  • Damaged charging cable
  • OBC input voltage sensor error
  • Home wiring issue

Diagnostic steps

  1. Measure AC voltage at charging inlet during charge attempt
  2. Test with different EVSE equipment
  3. Check home circuit breaker and wiring
  4. Read OBC input voltage PID
  5. Inspect charging cable and connector for damage

Repair notes

Verify home electrical supply meets requirements. Test with different EVSE. Replace OBC input voltage sensor if readings are incorrect.

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