0927

0927-UNKNOWN FAULT CODE UNKNOWN FAULT TYPE: 0

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Ignition on, engine running.

- Set Condition:
When the PCM does not recognize the fault that occurred. One trip fault.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview.

Diagnostic Test

1. CLEAR THE DTC
This DTC is invalid and has not been defined.
With the scan tool clear the DTC.
Start the engine and allow it to reach normal operating temperature.
Does the DTC return?

Yes

- Replace and program the Powertrain Control Module.
- Perform the Powertrain Verification Test. Powertrain Verification Test.

No

- Inform the customer that the code has been cleared.
- Perform the Powertrain Verification Test. Powertrain Verification Test.