TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the PCM harness connector
Disconnect the BCM harness connector.
NOTE: Inspect the PCI Bus terminal at both the PCM connectors and the
BCM connectors. Check for corrosion, damage or terminal push out.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the PCI BUS circuit between the Special Tool #8815 and
the BCM harness connector.
Is the resistance below 5.0 ohms?
All
Yes → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No → Repair the PCI BUS circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
290
DRIVEABILITY - NGC
U0140-NO BODY BUS MESSAGES — Continued
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