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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Telematics System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B1310: TCU >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. 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 a temperature rise near TCU.

    Was there any factor?

    YES

    Remove the factor.

    NO

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 

    Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure .

    Is DTC B1310 detected again?

    YES

    Replace TCU. Refer to Removal and Installation .

    NO

    Inspection End.

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