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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (1 Of 6)) >> DTC/Circuit Diagnosis >> DTC U1001: Can Comm Circuit >> DTC Description >> Possible Cause

Possible Cause

WARNING: This page is about a different variant/trim than selected.
NOTE: Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ECM for a PAST DTC.

Harness or connectors (CAN communication line is open or shorted)

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