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:

ECU diagnosis information
AROUND VIEW MONITOR CONTROL UNIT Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES DTC Index DISTANCE SENSOR Reference Value VALUES ON THE DIAGNOSIS TOOL NOTE: The following table includes information (items) inapplicable to this vehicle ...

Preparation
Special Service Tool The actual shape of the tools may differ from those illustrated here. Tool number (TechMate No.) Tool name Description — (J-39570) Chassis Ear Locating the noise — (J-50397) NISSAN Squeak and Rattle Kit ...

C1765, C1766, C1767, C1768 tire pressure sensor
DTC Description DTC DETECTION LOGIC DTC Display Item Malfunction Detected Condition Possible Cause C1765 WHEEL TOP DATA FL (Wheel top data front left) Malfunction in the wheel top data from the front LH wheel speed sensor. Wheel speed sensor C1766 ...