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Home >> Ford >> 2003 >> Excursion 6.0 P, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> MULTIFUNCTION Electronic Module System - Excursion & F250-F550 Super Duty >> 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
  • Central Junction Box (CJB) fuse:
    • 19 (10A)
    • 102 (30A)
  • Circuitry.
  • Vehicle security module.
GO to PINPOINT TEST A .