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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0420-00: Efficiency Of The Catalytic Converter >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM DTC CONFIRMATION PROCEDURE 

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test:

    1. Turn the ignition switch ON.
    2. Using CONSULT, check for current "ENGINE" diagnostic trouble codes.
    3. Check for DTC P0420-00 being current on the CONSULT screen.

    Is DTC P0420-00 current?

    YES

    Go to Diagnosis Procedure .

    NO

    Inspection End.

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