Symptom List:
NO PCI LOOPBACK
NO PCI TRANSMISSION
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.
NO PCI TRANSMISSION
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.
POSSIBLE CAUSES
WIRING HARNESS INTERMITTENT
OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR (DLC)
PCI BUS CIRCUIT SHORTED TO VOLTAGE
MODULE SHORT TO VOLTAGE
PCI BUS CIRCUIT SHORTED TO GROUND
CHECKING FOR VOLTAGE AT ACM
GROUND CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
AIRBAG CONTROL MODULE - ACM
ACM, NO RESPONSE FROM
102
AIRBAG
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