Classification:

Reference:

DA21-003B

Date:

NTB21-040B

January 21, 2025

DTCS B2740-87, B2744-87, AND/OR B274D-87 STORED
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:
APPLIED DATES:

2021 Rogue (T33)
11th character of VIN is W – Built on or before October 19, 2021
11th character of VIN is C – Built on or before March 8, 2021

IF YOU CONFIRM
Any of the following DTCs are stored:


B2740-87 (TCU)



B2744-87 (BCM)



B274D-87 (Combination Meter)

ACTION
Follow the SERVICE PROCEDURE to reprogram the Sonar Control Unit, if applicable.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.
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SERVICE PROCEDURE
Sonar Control Unit Reprogramming
IMPORTANT: Before starting, make sure:


ASIST on the CONSULT PC has been synchronized (updated) to the current date.



All C-III plus software updates (if any) have been installed.



The CONSULT PC is connected to the internet via a cable or Wi-Fi.
o In the procedure, you will be required to enter your username and password.
o The CONSULT PC must be connected to the internet.
o If you do not know your username and password, contact your service
manager.



A screen print for warranty documentation can be done from the C-III plus during
this service procedure while still connected to the vehicle.



No Diagnostic Trouble Codes (DTCs) are stored.
o Use C-III plus to perform Self Diagnosis for all systems.
o If there are any DTCs, other than B2740-87, B2744-87 and/or B274D-87,
diagnose, perform repairs, and erase DTCs before continuing.

1.

Connect the VI to the vehicle.

Make sure the VI is securely connected. If the VI connection is loose during
reprogramming, the process will be interrupted and the control unit may be damaged.
2.

Connect the AC Adapter to the CONSULT PC.

Be sure to connect the AC Adapter. If the CONSULT PC battery voltage drops during
reprogramming, the process will be interrupted and the control unit may be damaged.
3.

Connect a battery maintainer/smart charger set to reflash mode or a similar setting.
To avoid damage to the control unit, ensure a battery maintainer or smart charger is
connected. The battery voltage must be between 12.0V and 13.5V during
reprogramming.

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4.

Turn OFF all external Bluetooth® devices (e.g., cell phones, printers, etc.) within range
of the CONSULT PC and VI.
Make sure to turn OFF all external Bluetooth® devices. If Bluetooth® signal waves are
within range of the CONSULT PC and the VI during reprogramming, reprogramming
may be interrupted and the control unit may be damaged.

5.

Turn the ignition ON with the engine OFF.
To avoid damage to the control unit, the engine must not start or run during the
reprogramming procedure.

6.

Turn OFF all vehicle electrical loads such as exterior lights, interior lights, HVAC,
blower, rear defogger, audio, NAVI, seat heater, steering wheel heater, etc.

7.

Turn ON the hazard warning lamps.

8.

Turn ON the CONSULT PC.

9.

Start C-III plus.

10.

If prompted, select USA/CANADA Dealers from the drop down menu, and then
select OK.

11.

Login using your NNAnet credentials.
IMPORTANT: If not prompted to enter your username and password, the CONSULT
PC may not be connected to Wi-Fi. Close C-III plus, confirm the CONSULT PC is
connected to Wi-Fi, and then reopen C-III plus.

12.

Wait for the VI to be recognized (Figure 1 on page 4).


The serial number will display when the VI is recognized.

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13.

Select Diagnosis (One System).

VI is
recognized

Figure 1

14.

Select SONAR.

Figure 2

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15.

Select ECU Identification.


If the ECU PART NUMBER is 284S9-1517R, this bulletin does not apply. See the
Electronic Service Manual (ESM) for further diagnostic information.



If the the ECU PART NUMBER is not 284S9-1517R, proceed to step 16.

284S9XXXXX

Figure 3
16.

Select Home.

284S9XXXXX

Figure 4
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17.

Select Re/programming, Configuration.

Figure 5
18.

Check the box to confirm the precaution instructions have been read, and then select
Next.
HINT: Use the arrows (if needed) to view and read all the precautions.

Figure 6

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19.

Select Automatic Selection(VIN).

Figure 7

20.

Allow C-III plus to perform automatic VIN selection.

Figure 8

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21.

Confirm the VIN or Chassis # is correct, and then select Confirm.

XXXXXXXXXXXXXXX
XXXXXXX
XXXX

Figure 9

22.

Allow the system call to be performed.

Figure 10

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23.

Confirm the VIN is correct for the vehicle, and then select Confirm.

XXXXXXXXXXXXXXXXXX

Figure 11

24.

Select SONAR.

Figure 12

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25.

Select Reprogramming.
IMPORTANT: During the reprogramming process, you will receive some errors.
These errors are expected. Please follow all of the steps in this procedure to
successfully complete the reprogramming process.

Figure 13

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26.

When you get to the screen shown in Figure 14, confirm that a reprogram is available
as follows:
a. Find the Sonar Control Unit Part Number and write it on the repair order.
HINT: This is the current part number (P/N).

XXXXXXXXXXXXXXX

Current Sonar
Control Unit P/N

284S9XXXXX

XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX

Figure 14

b. Compare the part number you wrote down to the part numbers in Table A.


If there is a match in Table A, continue with the reprogramming procedure.



If there is not a match in Table A, this bulletin does not apply. See the ESM for
further diagnostic information.

Table A
MODEL

YEAR

CURRENT SONAR CONTROL UNIT PART NUMBER: 284S9-

Rogue

2021

5126R, 5559R

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27.

Follow the on-screen instructions to navigate C-III plus and reprogram the Sonar
Control Unit.

28.

Select Save.

XXXXXXXXXXXXXXXXX

284S9XXXXX

XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX

Figure 15
29.

Check the box to confirm the precaution instructions have been read, and then select
Next.
HINT: Use the arrows (if needed) to view and read all the precautions.

Figure 16
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30.

If the screen in Figure 17 displays, select Next. If the screen in Figure 17 does not
display, continue to step 31 on page 14.

284S9XXXXX
284S9XXXXX

XXXXXXXXXXXXXXXXX

Figure 17

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31.

In some case, more than one part number for reprogramming is available.


If the screen in Figure 18 displays, and more than one new part number is
available, select and use the reprogramming option that does not have the
message “Caution! Use ONLY with NTBXX-XXX”.



If the screen in Figure 18 displays and it is blank (no reprogramming listed), it
means there is no reprogramming available for this vehicle. Close C-III plus and
refer back to the ESM for further diagnosis.

SONAR

Figure 18

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32.

Make sure OK is highlighted green (battery voltage must be between 12.0 and 13.5
Volts).
To avoid damage to the control unit, ensure a battery maintainer/smart charger is
connected. The battery voltage must be between 12.0V and 13.5V during
reprogramming.

33.

Select Next.

Monitor battery
voltage here