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Home >> Jeep >> 2004 >> Wrangler X, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> Communication >> *PCI Bus Communication Failure >> Possible Causes
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Possible Causes

  1. WIRING HARNESS INTERMITTENT
  2. OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR (DLC)
  3. PCI BUS CIRCUIT SHORTED TO VOLTAGE
  4. MODULE SHORT TO VOLTAGE
  5. PCI BUS CIRCUIT SHORTED TO GROUND
  6. MODULE SHORT TO GROUND
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