Symptom Table

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Table
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TABLE

Condition Possible Sources Action
  • The battery is discharged or battery voltage is low
  • High key-off current drain(s)
  • Engine, generator and battery grounds
  • Positive battery cable
  • Circuitry
  • Battery
  • Generator
  • DTC P0622 - Generator field terminal circuit (charging system warning indicator on)
  • Circuitry
  • Powertrain control module (PCM)
  • Generator
  • The charging system warning indicator is on with the engine running and DTC P0622 is not present
  • Circuitry
  • PCM
  • Generator
  • The generator is noisy
  • Accessory drive belt
  • Loose bolts/brackets
  • Generator/pulley
  • Radio interference
  • Generator
  • Circuitry
  • In-vehicle entertainment system
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.