Nissan Rogue manuals

Nissan Rogue Service Manual: U0073 communication bus a OFF

DTC Description

DTC DETECTION LOGIC

DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition
U0073 COMM BUS A OFF (Control Module Communication Bus A Off) TCM communication blockage lasts for 2 seconds or more when turning ON the ignition switch. (Communication not established.)

POSSIBLE CAUSE

Harness or connector (CAN communication line is error)

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1.  Start the engine and wait for at least 5 seconds.
  2.  Check the DTC.

Is “U0073” detected? YES >> Go to TM-95, "Diagnosis Procedure".

NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

For the diagnosis procedure, refer to LAN-17, "Trouble Diagnosis Flow Chart".

Dtc/circuit diagnosis
...

U0100 lost communication (ECM A)
DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition U0100 LOST COMM (ECM A) (Lost Communication With ECM/P ...

Other materials:

Operating range
Operating range The Intelligent Key functions can only be used when the Intelligent Key is within the specified operating range. When the Intelligent Key battery is almost discharged or strong radio waves are present near the operating location, the Intelligent Key system’s operating ...

Corrosion protection
Most common factors contributing to vehicle corrosion Most vehicle corrosion is caused by:  the accumulation of moisture-retaining dirt and debris in body panel sections, cavities, and other areas  damage to paint and other protective coatings caused by gravel and stone chip ...

Basic inspection
SERVICE INFORMATION FOR ELECTRICAL INCIDENT Work flow STEP DESCRIPTION STEP 1 Get detailed information about the conditions and the environment when the incident occurred. The following are key pieces of information required to make a good analysis: WH ...

© 2014-2025 Copyright www.nirogue.com