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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1045 (Powertrain Diagnostic Procedures) >> Diagnostic Procedures >> Communication - Symptoms >> Symptom: *PCI BUS COMMUNICATION FAILURE >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
  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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