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:

Primary speed sensor
Exploded View Transaxle assembly O-ring Primary speed sensor : Always replace after every disassembly. : N·m (kg-m, in-lb) : Apply CVT fluid Removal and Installation REMOVAL  Remove the engine undercover. Refer to EXT-37, "ENGINE UNDER COVER : Removal and Ins ...

Abbreviations
Abbreviation List The following ABBREVIATIONS are used: ...

Front wiper motor ground circuit
Diagnosis Procedure Regarding Wiring Diagram information, refer to WW-22, "Wiring Diagram". 1. CHECK FRONT WIPER MOTOR GROUND CIRCUIT  Turn the ignition switch OFF.  Disconnect front wiper motor.  Check continuity between front wiper motor harness connector and ...

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