DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC P0021 is displayed with DTC P0081, first perform the trouble diagnosis for P0081. Refer to DTC Description .

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

Detecting condition

Possible cause

P0021

INT/V TIM CONT-B2

[Intake valve timing control performance (bank 2)]

During the advanced control of intake valve timing control, the angle difference between actual angle and target angle is 13 degrees or more.

Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Intake valve control solenoid valve
Accumulation of debris to the signal pick-up portion of the camshaft
Timing chain installation
Foreign matter caught in the oil groove for intake valve timing control