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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 195 (Can Gateway System) >> DTC/Circuit Diagnosis >> U1321-55 CONFIG Error >> 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 CONFIGURATION OF 3CH CAN GATEWAY 

    Perform 3CH CAN gateway Configuration. Refer to Description .

    GO TO 2 .

  2. PERFORM DTC CONFIRMATION PROCEDURE AGAIN 
    1. Turn ignition switch ON.
    2. Perform DTC confirmation procedure again. Refer to DTC Description .
    3. Check DTC.

    Is DTC U1321-55 displayed?

    YES

    Replace 3CH CAN gateway. Refer to Removal and Installation .

    NO

    INSPECTION END

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