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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 517 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0010 To DTC P0336) >> Diagnostic Information and Procedures >> DTC P0325, P0327, P0328, P0330, P0332, or P0333: Knock Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine Running.
  2. Verify DTC P0325, P0327, P0328, P0330, P0332, or P0333, is not set.
    • If the DTC is set 

      Refer to Circuit/System Testing.

    • If the DTC is not set 
  3. Verify the appropriate B68 Knock Sensor mounting bolt is properly tightened. Refer to Fastener Specifications .
    • If not tightened to the correct specification 

      Repair a necessary.

    • If tightened to the correct specification 
  4. Verify the scan tool parameters listed below display No while moving the related harnesses and connectors of the B68 Knock Sensor.
    • Cylinder 1 Knock Detected
    • Cylinder 2 Knock Detected
    • Cylinder 3 Knock Detected
    • Cylinder 4 Knock Detected
    • Cylinder 5 Knock Detected
    • Cylinder 6 Knock Detected
    • If No is not displayed 

      Repair the wiring harness or connectors.

    • If No is displayed 
  5. 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 data.
  6. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  7. All OK.
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