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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Telematics System) >> DTC/Circuit Diagnosis >> U1A10 TCU >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM SELF DIAGNOSTIC RESULT OF AIR BAG 

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Select "Self Diagnostic Result" mode of "AIR BAG".
    4. Check DTC.

    Are any DTCs detected?

    YES

    Refer to DTC Index .

    NO

    GO TO 2 .

  2. PERFORM SELF DIAGNOSTIC RESULT OF TELEMATICS 

    SYMBOL CONSULT

    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Select "Self Diagnostic Result" mode of "TELEMATICS".
    4. Check DTC.

    Is DTC U1A10 detected?

    YES

    Replace TCU. Refer to Removal and Installation .

    NO

    Refer to Intermittent Incident .