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:

Over fender
FRONT OVER FENDER FRONT OVER FENDER : Exploded View Front fender protector Front fender Front over fender molding Clip FRONT OVER FENDER : Removal and Installation REMOVAL Remove front and rear screw (A). 1: Front over fender 2: Sill molding : Front ...

Rear wiper motor
Exploded View Rear wiper motor Back door Rear wiper motor harness Removal and Installation REMOVAL Remove rear wiper arm. Refer to WW-69, "Removal and Installation". Remove back door finisher. Refer to INT-38, "Removal and Installation". & ...

Hood
Hood Pull the hood lock release handle 1 located below the instrument panel until the hood springs up slightly. Locate the lever 2 in between the hood and grille and push the lever sideways with your fingertips. Raise the hood 3 . Remove the support rod 4 and in ...