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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 921 (MULTIFUNCTION Electronic Modules -- F250-F550 Super Duty) >> Diagnosis And Testing >> Vehicle Security Module >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the vehicle security module
  • Circuitry
  • Vehicle security module
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