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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Exterior Lighting System - F150) >> Diagnosis And Testing >> Stoplamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • All the stoplamps are inoperative
  • Fuse
  • Wiring, terminals or connectors
  • Stoplamp switch
  • Body Control Module (BCM)
  • One or more stoplamps are inoperative
  • Fuse
  • Wiring, terminals or connectors
  • Bulb socket
  • High mounted stoplamp
  • BCM
  • The stoplamp(s) are on continuously
  • Wiring, terminals or connectors
  • Stoplamp switch
  • Trailer Brake Control (TBC) module
  • PCM
  • BCM