Conditions for Clearing the MIL/DTC

The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.
Clear the MIL and the DTC with a scan tool.

DTC P0315

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	IMPORTANT: The Crankshaft Position (CKP) System Variation Learn Procedure may have to be repeated up to 5 times before the procedure is learned for various reasons. Perform the Crankshaft Position (CKP) System Variation Learn Procedure. Refer to CKP System Variation Learn Procedure .Does the scan tool display Learned this Ignition?	Go to Step 4	Go to Step 3
3	If the CKP system variation learn procedure cannot be performed successfully, inspect for the following conditions: Any worn crankshaft main bearings A damaged reluctor wheel Excessive crankshaft runout A damaged crankshaft-Refer to Crankshaft and Bearings Cleaning and Inspection in Engine Mechanical. Interference in the signal circuit of the CKP sensor The ignition switch is in the ON position until the battery is drained. A powertrain control module (PCM) power disconnect with the ignition ON that may have erased the stored value and set DTC P0315. Any debris between the CKP sensor and the reluctor wheel Did you find and correct the condition?	Go to Step 4	-
4	Clear the DTCs with a scan tool. Turn OFF the ignition for 30 seconds. Start the engine. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records. Did the DTC fail this ignition?	Go to Step 2	Go to Step 5
5	Observe the Capture Info with a scan tool. Have any other DTCs not been diagnosed?	Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information	System OK