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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P200C >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Verify a condition does not exist with the component : Exhaust System & Turbocharger
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step : If no condition exists 
  2. Verify a condition does not exist with the component : Induction System
    • Intake Air Duct - Collapsed
    • Intake Air Duct Seal - Leaking
    • Loose Clamps
    • Missing components
    • Visible Damage
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step : If no condition exists 
  3. Verify the condition does not exist : Oil consumption - Refer to : Oil Consumption Diagnosis
    • If a condition exists 

      Repair or replace as necessary

    • Go to next step : If no condition exists 
  4. Perform the following procedure/test : DPF Service Regeneration - Refer to : Diesel Particulate Filter (DPF) Service Regeneration
    • If the procedure was not successful 

      Replace the component : Exhaust Particulate Filter

    • Go to next step : If the procedure was successful 
  5. All OK.
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