Nissan Rogue Service Manual: U0073 communication bus a OFF

Nissan Rogue Service Manual / Transmission & driveline / Transaxle & Transmission / Dtc/circuit diagnosis / 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

Selector shock is large
Start is slow
Acceleration is slow
Lock-up is not performed

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

Start the engine and wait for at least 5 seconds.
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:

Wiring diagram
HEADLAMP Wiring Diagram DAYTIME LIGHT SYSTEM Wiring Diagram AUTO LIGHT SYSTEM Wiring Diagram FRONT FOG LAMP SYSTEM Wiring Diagram TURN SIGNAL AND HAZARD WARNING LAMP SYSTEM Wiring Diagr ...

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs). Check operation condition of the ...

Vehicle Information Display
The vehicle information display is located to the left of the speedometer. It displays such items as: Vehicle settings Trip computer information Drive system warnings and settings (if so equipped) Cruise control system information NISSAN Intelligent K ...