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:

B142A ignition voltage
Description DTC B142A IGNITION VOLTAGE Ignition voltage is supplied to the air bag diagnosis sensor unit when the ignition is in the ON position. The air bag diagnosis sensor unit will monitor for low or high ignition voltage. PART LOCATION Refer to SRC-6, "Component Parts Location" ...

Fuel efficient driving tips
Follow these easy-to-use Fuel Efficient Driving Tips to help you achieve the most fuel economy from your vehicle. Use Smooth Accelerator and Brake Pedal Application Avoid rapid starts and stops. Use smooth, gentle accelerator and brake application whenever possibl ...

System description
COMPONENT PARTS BODY CONTROL SYSTEM BODY CONTROL SYSTEM : Component Parts Location BCM Behind instrument panel (LH) POWER CONSUMPTION CONTROL SYSTEM POWER CONSUMPTION CONTROL SYSTEM : Component Parts Location Combination meter Refer to MWI-6, "METER SYSTEM : Componen ...