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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P0506 or P0507: Idle Speed >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Observe the DTC information with a scan tool. Verify there are no other DTCs set.
    • If a DTC is not set 
  3. Engine idling at the normal operating temperature.
  4. Compare the scan tool Desired Idle Speed parameter to the Engine Speed parameter. Both parameters should be within 200 RPM.
    • If parameters are not within 200 RPM 

      Refer to Circuit/System Testing.

    • If parameters are within 200 RPM 
  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 a DTC sets 

      Refer to Circuit/System Testing.

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