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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P163A: Control Module Fuel Pressure Regulator 1 Control System Circuitry Performance >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition On.
  2. Verify with a scan tool that DTC P0090, P0091, P0092, P0689, P0690 or P1682, is not set.
    • Go to next step: If DTC P0090, P0091, P0092, P0689, P0690 or P1682 is not set 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
  4. Verify the DTC does not set.
    • If DTC P163A is set 

      Refer to Circuit/System Testing

    • Go to next step: If DTC P163A is not set 
  5. All OK.
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