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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
P3476high severityPowertrain

EV/Hybrid HVAC Compressor Performance for Battery Cooling

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

What this code means

The electric HVAC compressor used for battery cooling is not maintaining expected refrigerant pressure or flow for the battery chiller circuit.

Symptoms

  • Battery cooling insufficient
  • Fast charge speed reduced
  • Battery temperature alarm
  • Compressor cycling abnormally
  • Reduced range in hot weather
  • AC may be competing with battery cooling

Common causes

  • Compressor motor degradation
  • Low refrigerant charge
  • Compressor clutch slip (if equipped)
  • Compressor inverter fault
  • Expansion valve for battery circuit stuck

Diagnostic steps

  1. Monitor compressor speed and pressure output
  2. Check refrigerant charge level
  3. Test compressor current draw
  4. Inspect battery cooling expansion valve
  5. Compare cabin AC and battery cooling demand management

Repair notes

Replace electric compressor or repair refrigerant circuit. Ensure battery cooling has priority in thermal management strategy.

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