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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 >> B1310 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. CHECK AROUND TCU 

    Check whether there is any factor which causes excessive temperature near TCU.

    Was there any factor?

    YES

    Correct the cause of the excessive temperature.

    NO

    GO TO 2 .

  2. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 

    SYMBOL With 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 B1310 detected?

    YES

    Replace TCU. Refer to Removal and Installation .

    NO

    Inspection End.