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
...

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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:

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Removal and Installation REMOVAL  Remove the front door pull handle bracket (LH). Refer to INT-15, "Removal and Installation".  Release pawls using a suitable tool (A) and remove main power window and door lock/unlock switch finisher (1). : Pawl Disconnect t ...

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Periodic maintenance
FUEL SYSTEM Inspection Inspect fuel lines, fuel filler cap, and fuel tank for improper attachment, leaks, cracks, damage, loose connections, chafing or deterioration. (A) : Engine (B) : Fuel line (C) : Fuel tank If necessary, repair or replace damaged parts. Quick Connector CAUTION: ...

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