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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P30BE, P30BF, P30C2, P30C3, P30C6, P30C7, P30CA, or P30CB >> 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 there are no related DTCs set in the following system:
    • 5 V Reference Circuit
    • B23 Camshaft Position Sensor
    • B26 Crankshaft Position Sensor
    • Go to next step: If the DTC is not set 
  3. Engine = Running
  4. Verify DTC P30BF, P30C3, P30C7, P30CB is not set.
    • If the DTC is set 

      Refer to: Circuit/System Testing

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

    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 
  6. All OK.
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