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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 U0122: Vehicle Dynamics Control Module >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

U0122

VDC MDL

(Lost communication with vehicle dynamics control module)

When ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis) with ABS actuator and electric unit (control unit) for 2 seconds or more.

CAN communication line between ECM and ABS actuator and electric unit (control unit)

(CAN communication line is open or shorted)