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

Test 1 - 3:




Test 4 - 8:




Test 9 - 10:




SYMPTOM
PCI BUS COMMUNICATION FAILURE

POSSIBLE CAUSES
- PCI Bus circuit shorted to ground
- PCI Bus circuit shorted to voltage
- High voltage on the PCI bus circuits at the BCM connectors
- Low resistance to ground on the PCI bus circuits at the BCM connectors
- Module (PCI bus short to ground)
- Module (PCI bus short to voltage)
- Body control module
- Open PCI bus circuit between the DLC and the BCM
- Wiring harness intermittent