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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2031-00: Upstream DPF Temperature Sensor >> 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 DTC PRIORITY 
    CAUTION: To reduce the possibility of damaging a new ECM, all other active diagnostic trouble codes must be investigated prior to replacing the ECM.
    1. Turn ignition switch ON.
    2. Connect CONSULT and check for other existing "ENGINE" diagnostic trouble codes.

    If any of the following DTCs exist, perform the confirmation procedure (trouble diagnosis) for other DTC:

    • U1611
    • P1614
    • P1615-00
    • P1616
    • P1623-00

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable DTC. Refer to DTC Index .

    NO

    • Replace the aftertreatment DPF temperature sensor module. Refer to Exploded View .
    • GO TO 2 .
  2. ERASE DTC. 
    1. Turn ignition switch OFF.
    2. Connect all components.
    3. Turn ignition switch ON.
    4. With CONSULT, erase all DTCs.
    5. Operate the engine within the conditions for setting DTC found in the DTC description.
    6. Check for existing "ENGINE" diagnostic trouble codes.

    Did the P2031-00 DTC return?

    YES

    Diagnosis procedure needs to be repeated. Go to DTC Description .

    NO

    Repair complete.

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