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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 485 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (1 Of 6)) >> DTC/Circuit Diagnosis >> DTC U0155: Lost Communication (IPC) >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECONDITIONING 

    If another "DTC CONFIRMATION PROCEDURE" is performed just before the next test, turn the ignition switch OFF and wait for 10 seconds or more, then perform the next test.

    GO TO 2.

  2. CHECK DTC DETECTION 

    SYMBOL With CONSULT

    1. Start the engine and wait for 2 seconds or more.
    2. Check "Self Diagnostic Result" of "ENGINE".

    Is DTC U0155 detected?

    YES

    Go to Diagnosis Procedure .

    NO

    Go to Intermittent Incident .