Pci Bus Communication Fault - Chrysler Pacifica 2004 Manual

Symptom:

PCI BUS COMMUNICATION FAULT

When Monitored and Set Condition:
PCI BUS COMMUNICATION FAULT
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects PCI Bus not connected or is shorted to voltage or
ground.
INTERMITTENT DTC
DAMAGED CAB/CAB HARNESS CONNECTOR
FUSED RUN RELAY OUTPUT CIRCUIT OPEN
ABS VALVE FUSED B(+) CIRCUIT OPEN
ABS PUMP FUSED B(+) CIRCUIT OPEN
CAB - GROUND CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
CAB - INTERNAL FAULT
PCI BUS CIRCUIT SHORT TO VOLTAGE
PCI BUS CIRCUIT SHORT TO GROUND
TEST
1 Turn the ignition on.
With the DRBIII , read DTCs.
With the DRBIII , erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIII , read DTCs.
Does the DRBIII display PCI BUS COMMUNICATION FAULT?
Yes → Go To 2
→ Go To 10
No
2 Turn the ignition off.
Disconnect the CAB harness connector.
Inspect the CAB/CAB harness connector for damage.
Is there any broken, bent, pushed out, corroded or spread terminals?
Yes → Repair as necessary.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Perform ABS VERIFICATION TEST - VER 1.
27
BRAKES (CAB)
APPLICABILITY
All
All