Chrysler Pacifica. Manual - part 42
Symptom List:
NO PCI LOOPBACK
PCI BUS SHORT TO BATTERY
PCI BUS SHORT TO GROUND
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be NO PCI LOOPBACK.
When Monitored and Set Condition:
NO PCI LOOPBACK
When Monitored:
With the ignition on and the module transmitting information on the
BUS.
Set Condition:
The code will set immediately if the onboard diagnostic cannot detect the
module transmitting information on the BUS. NOTE: Any Bus Failure will may cause a
stored code to set.
PCI BUS SHORT TO BATTERY
When Monitored:
With the ignition on, the module performs internal tests on the PCI
Communication Bus.
Set Condition:
This DTC will set if the PCI Communication Bus input is shorted to
vehicle power.
PCI BUS SHORT TO GROUND
When Monitored:
With the ignition on, the module performs internal tests on the PCI
Communication Bus.
Set Condition:
This DTC will set if the PCI Communication Bus input is shorted to
vehicle ground/chassis.
POSSIBLE CAUSES
CHECKING FOR VOLTAGE AT ACM
WIRING HARNESS INTERMITTENT
ACM, NO RESPONSE FROM
AIRBAG CONTROL MODULE - ACM
GROUND CIRCUIT OPEN
OCCUPANT CLASSIFICATION MODULE - OCM
OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR (DLC)
PCI BUS CIRCUIT OPEN
PCI BUS CIRCUIT SHORTED TO VOLTAGE
MODULE SHORT TO VOLTAGE
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AIRBAG