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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Engine Control System (DTCS) (5.6L) (3 Of 8)) >> DTC/Circuit Diagnosis >> U1024 Can Comm Circuit >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1024

VVEL CAN COMM CIRCUIT

(VVEL CAN communication)

1

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

VVEL control module cannot transmitting or receiving CAN communication signal

Diagnosis delay time

2 seconds or more

2

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

Detecting error during the initial diagnosis of CAN controller of VVEL control module

Diagnosis delay time

-