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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Automatic Transmission (DTC/Circuit Diagnosis) (Re6R01A)) >> DTC/Circuit Diagnosis >> DTC P2637: Torque Management Feedback Signal A >> 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 OF ECM 
    1. Turn ignition switch ON.
    2. Perform "Self Diagnostic Results" in "ENGINE".

    Is any DTC detected?

    YES

    Check DTC detected item. Refer to DTC Index .

    NO

    GO TO 2 .

  2. CHECK DTC OF TCM 

    Perform "Self Diagnostic Results" in "TRANSMISSION".

    Is any DTC other than "P2637" detected?

    YES

    Check DTC detected item. Refer to DTC Index .

    NO

    INSPECTION END

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