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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> Communication - Symptoms >> Symptom: *PCI BUS COMMUNICATION FAILURE >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

WIRING HARNESS INTERMITTENT

OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR (DLC)

PCI BUS CIRCUIT SHORTED TO VOLTAGE

MODULE SHORT TO VOLTAGE

PCI BUS CIRCUIT SHORTED TO GROUND

MODULE SHORT TO GROUND

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