NTB20-002b

Classification:
Reference:
AN19-069b
Date:
NTB20-002b
February 4, 2021
2019 SENTRA; STEERING WHEEL AUDIO SWITCHES
INTERMITTENTLY INOPERATIVE
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.
APPLIED VEHICLE:
APPLIED VIN:
APPLIED DATE:
2019 Sentra (B17) – S model only
Vehicles Built before 3N1(*)B7AP(*)K(*)432870
Vehicles Built before October 10, 2019
IF YOU CONFIRM
The steering wheel audio switches
(Figure 1) are intermittently inoperative.
Figure 1
AND
The software version in the AV control unit has been confirmed as “needs update” (refer to
Check Software Version beginning on page 2).
ACTION
Update the AV control unit software. Refer to SERVICE PROCEDURE on page 2.
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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REQUIRED SPECIAL TOOL



One of special tool USB drive J-52727 has been shipped to each dealer (see Figure 2).
Do not use any other USB drive to perform the procedure in this bulletin.
Additional USB drives may be purchased from Tech•Mate: nissantechmate.com or
1-800-662-2001.
Figure 2
SERVICE PROCEDURE
Check Software Version
1.
Turn the ignition ON.
2.
Turn the audio system OFF.
3.
Access the System Diagnostic Menu
as follows:

Press and hold the MENU button.

Turn the VOLUME knob 40 or
more clicks.

The screen in Figure 3 should
display.
Figure 3
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NTB20-002b
4.
Select Confirmation / Adjustment.
Figure 4
5.
Select Page DOWN.
Figure 5
6.
Select Version Information. Version
information should display as shown in
Figure 7.
Figure 6

If the SYS Software Version is
NOT 80836034 or higher, turn the
ignition OFF and continue to
step 7 on page 4.

If the SYS Software Version is
80836034 or higher, this bulletin
does not apply. Go to ASIST for
further diagnostic and repair
information.
3/11
Figure 7
NTB20-002b
ASIST Downloader Instructions
IMPORTANT: Before starting, make sure:
7.

ASIST is connected to the Internet.

ASIST has been synchronized (updated) to the current date.
Insert special tool USB drive J-52727 into an ASIST station.
HINT: Special tool USB drive J-52727 is the only one approved for use with this
procedure.
8.
Open ASIST.
9.
Select Specialty Tools, and then select Infotainment Software Updates.
Specialty Tools
Infotainment Software Updates
Figure 8
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NTB20-002b
10.
Select the check box next to the correct update software package (Figure 9).

Locate Update #1 (LD001) and Update #2 (LD002).

Only one (1) update will be loaded at a time, starting with Update #1 (LD001).
HINT: Use the scroll bar, if needed, to find and select the correct update software
package.
To avoid damage to the vehicle, ensure the correct update software package is
selected. Failure to select the correct update software package may result in needing to
replace the AV control unit.
HINT: Replacement of an incorrectly updated AV control unit is not covered under
warranty.
11.
Use the drop-down menu and select the location of the USB drive that was inserted in
step 7 on page 4.
HINT: The Description section in Figure 9 may show differently than your C-III plus
screen.
Check
box
Drop-down menu
XXXXXXXXXXXXXXXX
XXXXXXXXXXXX
Infotainment
software
updates
XXXXXXXXXXXX
USB drive
location
XXXXXXXXXXXXXXXX
Scroll
bar
XXXXXXXXXXXX
XXXXXXXXXXXX
Figure 9
12.
Select Download, and then wait for the download to complete.
13.
Select OK (Figure 10 on page 6).
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NTB20-002b
Figure 10
14.
Once the transfer is complete, safely remove the USB drive from the ASIST station.

From the PC toolbar, select the Safely Remove Hardware icon.
 The icon is on the toolbar, or to be found after selecting the arrow.

Select the USB drive to removed, and then remove the USB drive from the ASIST
station.
Follow the steps to safely remove the USB drive. If not followed, the USB drive may corrupt
the update software.

If you are not familiar with the process of safe USB drive removal, ask for
assistance at your dealer.
Safely Remove
Hardware icon
USB Drive (E:)
Arrow on toolbar
Figure 11
15.
Close all ASIST Software Update screens.
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NTB20-002b
Update AV Control Unit
HINT: The update requires one (1) USB drive and two (2) update files.
16.
Turn ON the hazard warning lamps to prevent the BCM from going into battery saver
mode.
17.
Turn ON the ignition.
18.
Turn ON the audio.
19.
Write down the radio settings.
Presets 1
2
3
4
5
6
AM
FM 1
FM 2
Bass
Treble
Balance
7/11
Fade
Speed Sen. Vol.
NTB20-002b
20.
Turn OFF the audio.
21.
Insert the special tool USB drive
J-52727 into the USB media port
(Figure 12).
USB media
port symbol
Do not insert the USB drive into a
charging port (Figure 13). If used, the
update software and/or USB drive may
become damaged. Only insert the
USB drive in a USB media port.
Figure 12
HINT: Charging ports are marked in the
vehicle with a “lightning bolt” symbol.
DO NOT USE
USB ports with a
“lightning bolt”
Figure 13
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NTB20-002b
22.
Select Yes to begin the
reprogramming process.
HINT: Reprogramming will take about
5-10 minutes.
Figure 14
HINT: Reprogramming is not complete
until the audio unit reboots and returns
to the main MENU screen (Figure 15).
To prevent damage to the AV control
unit, do NOT remove the USB drive
unless the audio unit has rebooted
and the main MENU screen as shown
in Figure 15 is displayed.
Figure 15
23.
Remove the USB drive.
24.
Repeat step 7 through step 15 on page 4 through page 6 to load the second update
file (LD002) onto special tool USB drive J-52727.
25.
Repeat step 16 through step 23 on page 7 through page 9 to apply the second update
file to the vehicle.
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NTB20-002b
26.
Perform audio unit initialization.
a. Press and hold the Menu button.
b. Press and hold the Audio button.
c. Press the Seek right button three (3)
times.
HINT: A screen similar to the one in
Figure 16 will appear.
d. Select the Next button at the bottom
right side of the screen.
Figure 16
e. On the second page of the menu
screen, press Factory Cold Start
(screen not shown).
f. Select Yes on the confirmation
screen shown in Figure 17.
HINT: Initialization is complete after the
audio unit reboots.
Figure 17
27.
Turn OFF the hazard warning lights.
28.
Restore the radio presets and clock setting.
29.
Instruct the customer to go into their Bluetooth® phone settings and perform the steps
below.
 Delete/erase the car from the phone’s Bluetooth® menu for the current pairing of
the phone and the vehicle.

Re-pair the phone to the vehicle.
 If this is not performed, the phone may no longer connect with the vehicle.
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NTB20-002b
CLAIMS INFORMATION
Submit a Primary Operation (PO) type line claim using the following claims coding:
DESCRIPTION
Check for update
OP CODE
QX41AA
Check for update & perform AV
control unit reprogram
QX42AA
SYM
DIA
ZE
32
FRT
0.2
0.4
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
DESCRIPTION
January 17, 2020
NTB20-002
Original bulletin published
January 31, 2020
NTB20-002a
Revised CLAIMS INFORMATION
February 4, 2021
NTB20-002b
Classifiction number updated
11/11
NTB20-002b