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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 731 (MULTIFUNCTION Electronic Module - F-150 & Mark LT) >> Diagnostic Tests >> Vehicle Security Module (VSM) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. 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 (VSM)
  • Fuse(s)
  • Circuitry
  • VSM
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