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:

Washer level switch signal circuit
Description Transmits the washer fluid level switch signal to the combination meter. Diagnosis Procedure Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram". 1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect comb ...

P0131 A/F sensor 1
DTC Description DTC DETECTION LOGIC To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately low. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition P0131 A/F SE ...

Second row seat belt
Exploded View Seat belt retractor (center) Seat belt D-ring bracket (LH/ RH) Seat belt hook (LH/RH) Seat belt retractor (RH) Seat belt D-ring bolt cover (LH/RH) Seat belt buckle (RH) Seat belt buckle (center) Seat belt buckle (LH) Seat belt retractor (LH) &nbs ...