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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Telematics System) >> Telematics System >> DTC/Circuit Diagnosis >> U1A0A TCU >> Diagnosis Procedure

Diagnosis Procedure

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

    SYMBOL CONSULT

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

    Is DTC U1A0A detected?

    YES

    Replace the TCU. Refer to Removal and Installation .

    NO

    Refer to Intermittent Incident .

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