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2025 FORD F-150
3.5L V6 PowerBoost Hybrid•4WD•AUTOMATIC•hybrid•turbo
13 active safety recalls on this vehicle — view recalls
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Repairs0Labor502Torque148Fluid10DTC1897Battery1Maintenance0Recalls13
P3223high severityPowertrain

Electric Motor/Generator B Performance

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

What this code means

Motor/generator B (typically MG2 in hybrid systems) is not producing expected torque output. Torque request does not match measured output.

Symptoms

  • Reduced acceleration
  • Hybrid system malfunction warning
  • ICE running more than expected
  • Electric assist absent
  • Uneven power delivery
  • Fuel economy worse than normal

Common causes

  • Motor winding degradation
  • Resolver/encoder signal error
  • Inverter B partial failure
  • Motor bearing wear
  • Phase wire connection issue

Diagnostic steps

  1. Compare MG2 commanded vs actual torque
  2. Test MG2 resolver/encoder signal quality
  3. Check inverter B fault codes
  4. Measure motor phase resistance balance
  5. Test motor insulation resistance

Repair notes

Replace MG2 assembly or repair phase connections. Inverter B may also need replacement.

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