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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0201-P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, or P0277 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter :
    • Cylinder 1 Injector Control Circuit Status = OK
    • Cylinder 2 Injector Control Circuit Status = OK
    • Cylinder 3 Injector Control Circuit Status = OK
    • Cylinder 4 Injector Control Circuit Status = OK
    • Cylinder 5 Injector Control Circuit Status = OK
    • Cylinder 6 Injector Control Circuit Status = OK
    • If not the specified state 

      Refer to : Circuit/System Testing

    • Go to next step : If the specified state 
  3. 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.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to : Circuit/System Testing

    • Go to next step : If the DTC is not set 
  5. All OK.
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