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
  • No communication with the instrument cluster
  • Fuse(s)
  • Circuitry
  • Instrument cluster
  • Incorrect fuel gauge indication
  • Circuitry
  • Fuel tank and/or lines
  • Fuel tank transfer tube
  • Fuel pump module
  • Fuel level sensor
  • Instrument cluster
  • Incorrect temperature gauge indication
  • Instrument cluster
  • Powertrain control module (PCM)
  • The low oil pressure warning indicator is never/always on
  • Circuitry
  • Smart junction box (SJB)
  • Engine oil pressure switch
  • Instrument cluster
  • The speedometer/odometer is inoperative
  • Powertrain control module (PCM)
  • Instrument cluster
  • The tachometer is inoperative
  • Instrument cluster
  • Powertrain control module (PCM)
  • The low fuel warning indicator is never/always on
  • Fuel gauge
  • Instrument cluster
  • The charging system warning indicator is never/always on
  • Powertrain control module (PCM)
  • Instrument cluster
  • The brake warning indicator is never/always on
  • Circuitry
  • Anti-lock brake system (ABS) module
  • Smart junction box (SJB)
  • Parking brake switch
  • Brake fluid level switch
  • Instrument cluster
  • The malfunction indicator lamp (MIL) is never on
  • Powertrain control module (PCM)
  • Instrument cluster
  • The malfunction indicator lamp (MIL) is always on
  • Circuitry
  • Powertrain control module (PCM)
  • Instrument cluster
  • The safety belt warning indicator is inoperative/does not operate correctly
  • Restraint Control Module (RCM)
  • Instrument cluster
  • The air bag warning indicator is never/always on
  • Restraint control module (RCM)
  • Instrument cluster
  • The LH turn signal indicator is never/always on
  • Smart junction box (SJB)
  • Instrument cluster
  • The RH turn signal indicator is never/always on
  • Smart junction box (SJB)
  • Instrument cluster
  • The high beam indicator is never/always on
  • Smart junction box (SJB)
  • Instrument cluster
  • The traction control indicator is never/always on
  • ABS module
  • All wheel drive (AWD) system
  • Instrument cluster
  • The anti-lock brake system (ABS) warning indicator is never/always on
  • ABS module
  • Instrument cluster
  • The speed control indicator is never/always on
  • Powertrain control module (PCM)
  • Instrument cluster
  • The wrench indicator is never/always on
  • Transmission control module (TCM)
  • Powertrain control module (PCM)
  • Instrument cluster
  • The check fuel cap warning indicator is never/always on
  • Powertrain control module (PCM)
  • Instrument cluster
  • The low washer fluid indicator is never/always on
  • Circuitry
  • Low washer fluid switch
  • Smart junction box (SJB)
  • Instrument cluster
  • The low coolant level indicator is never/always on
  • Circuitry
  • Low coolant level switch
  • Smart junction box (SJB)
  • Instrument cluster
  • The door ajar warning indicator is inoperative/does not operate correctly
  • Smart junction box (SJB)
  • Instrument cluster
  • The instrument cluster is inoperative
  • Fuse(s)
  • Circuitry
  • Instrument cluster
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When to See a Mechanic

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

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