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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 208 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2201-00: NOX Sensor 1 >> Diagnosis Procedure

Diagnosis 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. CHECK FOR CURRENT DTC 
    1. Turn ignition switch ON.
    2. Connect CONSULT and check "ENGINE" diagnostic trouble codes.
    3. Check for DTC P2201-00 being current on the CONSULT screen.

    Is applicable DTC detected?

    YES

    GO TO 2 .

    NO

    Refer to Intermittent Incident .

  2. CHECK FOR PRIORITY DTC 
    1. Using CONSULT, check for other "ENGINE" diagnostic trouble codes.
    2. Check If any of the following DTCs are present:
      • U029D-00
      • P2202-00
      • P2209-00
      • P220A-00

    Is applicable DTC current?

    YES

    Refer to DTC Index .

    NO

    • Verify intake NOx sensor is present and installed properly. Replace the intake NOx sensor. Refer to Removal and Installation .
    • GO TO 3 .
  3. ERASE CURRENT DTC 
    1. Using CONSULT erase "ENGINE" diagnostic trouble codes.
    2. Operate the engine within the "Conditions for setting the DTC".
    3. Check for "ENGINE" diagnostic trouble codes.

    Is P2201-00 DTC current?

    YES

    Return to Diagnosis Procedure. Refer to DTC Description .

    NO

    Repair complete.

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