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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
P3423high severityPowertrain

DC Fast Charge Communication Protocol Error

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

What this code means

The vehicle cannot establish proper communication with the DC fast charging station. The CHAdeMO, CCS, or Tesla protocol handshake has failed.

Symptoms

  • DC fast charging unavailable
  • Charge session fails to start
  • Error message about charging station
  • AC charging works but DC does not
  • Timeout during charge negotiation

Common causes

  • Charge port communication module fault
  • DC charge inlet pins damaged
  • Incompatible charging station firmware
  • Vehicle charge controller software bug
  • CAN or PLC communication circuit fault

Diagnostic steps

  1. Attempt DC charge at different stations
  2. Inspect DC charge inlet pins
  3. Check for vehicle software updates
  4. Read DC charge communication logs
  5. Test communication module with diagnostic tool

Repair notes

Update vehicle software if available. Replace DC charge communication module or charge port assembly if hardware fault confirmed.

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