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Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.0L - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P050D >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC P0300 - P0304 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Verify the scan tool parameter: Cold Start-Up = Yes
    • If not the specified state 

      Ignition/Vehicle - Off - For Greater than 8 h & Repeat this step

    • Go to next step: If the specified state 
  4. Engine - Idling
  5. Verify the scan tool parameter: Cylinder 1 - 4 Current Misfire Counter = Less than 1
    • If 1 or greater 

      Refer to: Circuit/System Testing

    • Go to next step: If less than 1 
  6. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC does not set 
  7. All OK.