Diagnostic Test
- DTC IS ACTIVE
- Ignition on, engine not running.
- With the scan tool, Clear DTCs in the Engine Control Module (ECM).
- Monitor the scan tool for at least two minutes.
- Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.
- Start the engine.
- Allow the engine to reach normal operating temperature.
- With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Refer to 28 - DTC-Based Diagnostics, MODULE - Front Control, for diagnostic procedures and for further possible causes. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing
No
- Refer to the INTERMITTENT DTC Diagnostic Procedure. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure