PCI Bus Shorted High (ATC)

PCI BUS SHORTED HIGH (ATC)

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition on.

- Set Condition:
If the (D25) PCI Bus circuit is shorted to voltage.





Diagnostic Test

1. VERIFY DTC IS ACTIVE
NOTE: Ensure that the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.

NOTE: All PCI and CAN modules installed on the vehicle will display on the scan tool from the ECU View menu screen. All modules that are active (communicating) on the Bus network will have a green check mark displayed in the Active column next to the module. All modules that are not active will have a red X displayed in the Active column next to the module. The scan tool will not be able to communicate with any PCI Bus modules if this DTC is active. Testing and Inspection for No Response related diagnostic procedures.

Turn the ignition on.
With the scan tool, read HVAC DTCs.
Does the scan tool display this DTC as active?

Yes

- Replace the A/C Heater Control.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.