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Home >> Ford >> 2003 >> Expedition 5.4 L, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> MULTIFUNCTION Electronic Module >> Diagnosis And Testing >> Vehicle Security Module >> Symptom Chart
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Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
No communication with the vehicle security module
  • Battery Junction Box (BJB) fuse:
    • 5 (7.5A)
    • 30 (30A)
  • Circuitry
  • Vehicle security module
 GO to PINPOINT TEST A .
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