PCI Bus Communication

Symptom:
PCI BUS COMMUNICATION

When Monitored and Set Condition:
PCI BUS COMMUNICATION

When Monitored: Ignition on, every 7 milliseconds (ms).

Set Condition: This Diagnostic Trouble Code (DTC) is set when the CAB cannot transmit the ABS warning lamp status message for 5 seconds. This DTC can also be set if the CAB does not receive a message from the instrument cluster for 10 seconds.

POSSIBLE CAUSES
INTERMITTENT DTC
PCI BUS OPEN TO CAB
PCI BUS CIRCUIT VOLTAGE TEST
CAB DEFECTIVE - PCI CIRCUIT OPEN