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2020 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
11 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC3712Battery2Maintenance0Recalls11
P0625moderate severityPowertrain

Generator Field Terminal Circuit Low

on 2020 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The PCM detected a low voltage condition on the generator field terminal circuit. This can reduce or disable proper charging output.

Symptoms

  • Battery discharging
  • Charge warning light
  • Dimming lights

Common causes

  • Short to ground in field circuit
  • Faulty alternator
  • Damaged wiring
  • Faulty PCM

Diagnostic steps

  1. Measure field terminal circuit voltage
  2. Check wiring for shorts to ground
  3. Test alternator output
  4. Repair wiring or replace alternator
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