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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Controls And Fuel - 1.4L (LUJ LUV) - DTC P0300 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0324, P0326, or P06B6: Knock Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine Running
  2. Verify DTC P0325, P0327, P0328 or P06B6 is not set.
    • If only DTC P06B6 is set  

      Replace the K20 Engine Control Module.

    • If none of the DTCs are set 
  3. Ignition OFF.
  4. Verify none of the conditions listed below exist:
    • B68 Knock Sensor or wiring harness damage.
    • Incorrect B68 Knock Sensor installation. Refer to Fastener Specifications .
    • B68 Knock Sensor and engine mounting surface burrs, casting flash, and foreign material.
    • Close proximity of hoses, brackets, and engine wiring.
    • Loose brackets.
    • Loose or broken accessory drive belts, brackets, components.
    • An engine mechanical condition. Refer to Symptoms - Engine Mechanical .
    • Contaminated or poor quality fuel.
    • If a condition exists 

      Repair or replace as necessary.

    • If no conditions exist 
  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.
    • If the DTC sets 

      Test or replace the B68 Knock Sensor.

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