FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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PCI Bus Communication Failure

Test 1 - 2:




Test 3 - 6:




Test 7 - 8:






SYMPTOM
PCI BUS COMMUNICATION FAILURE

POSSIBLE CAUSES
- Wiring Harness Intermittent
- Open PCI Bus Circuit At The Data Link Connector (DLC)
- High Voltage On The PCI Bus Circuits At The BCM Connectors
- Module (PCI Bus Short To Voltage)
- PCI Bus Circuit Shorted To Voltage
- Low Resistance To Ground On The PCI Bus Circuits At The BCM Connectors
- Module (PCI Bus Short To Ground)
- PCI Bus Circuit Shorted To Ground