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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 14 (ENGINE CONTROL SYSTEM - 4.3L - DTC P0140 TO DTC P0506)DTC P0315CONDITIONS FOR CLEARING THE MIL/DTC
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Conditions for Clearing the MIL/DTC

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Conditions for Clearing the MIL/DTC
WARNING: This page is about a different variant/trim than selected.
  • 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 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:
  • Worn crankshaft main bearings
  • A damaged reluctor wheel
  • Excessive crankshaft runout
  • A damaged crankshaft
  • Interference in the signal circuit of the CKP sensor
  • A coolant temperature that is not within the Conditions for Running the DTC
  • The ignition switch is in the ON position until the battery has sufficient voltage.
  • A powertrain control module (PCM) power disconnect with the ignition ON may erase the stored value and set DTC P0315.
  • Any foreign material passing between the CKP sensor and the reluctor wheel

Did you complete the inspection?		 Go to Step 4  -
4
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition.
  3. Start the engine.
  4. 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.
Are there any DTCs that have not been diagnosed?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information System OK
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.