software
updates

XXXXXXXXXXXX

USB drive
location

XXXXXXXXXXXXXXXX

Scroll
bar

XXXXXXXXXXXX
XXXXXXXXXXXX

Figure 8
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12.

Select Download, and then wait for the download to complete (see Figure 9).

13.

Select OK.

Figure 9

14.

Once the transfer is complete, safely remove the USB drive from the ASIST station.
a. From the PC toolbar, select the Safely Remove Hardware icon.
 The icon is on the toolbar, or to be found after selecting the arrow.
b. Select the USB drive to be removed, and then remove the USB drive from the
ASIST station.
To avoid damage to the vehicle, 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 10

15.

Close all ASIST Software Update screens.

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Update the AV Control Unit
HINT: The update requires 1 USB drive and 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 system.

19.

Write down the radio settings.
Presets 1

2

3

4

5

6

AM
FM 1
FM 2
Bass

Treble

Balance

Fade

Speed Sen. Vol.

20.

Turn OFF the audio system.

21.

Insert the special tool USB drive J-52727 into the USB media port (Figure 11).
Do not insert the USB drive into a charging port (Figure 12). If used, the
update software and/or USB drive may become damaged. Only insert the USB
drive in a USB media port.
HINT: Charging ports are marked in the vehicle with a “lightning bolt” symbol.

USB media
port symbol
DO NOT USE
USB ports with a
“lightning bolt”

Figure 11

Figure 12

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22.

Select Yes to begin the
reprogramming process.
HINT: Reprogramming will take about
5-10 minutes.

Figure 13
HINT:


Reprogramming is not complete
until the audio unit reboots and
returns to the main MENU screen
(Figure 14).



If the screen turns OFF (blank
black screen), and remains OFF
for longer than 1 minute, press the
volume knob (power button) or
turn the screen back ON before
proceeding to step 23.

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 14, is displayed.

23.

Figure 14

Remove the USB drive.

If steps 24-29 are not completed, to perform the second software update, the
AV unit will not operate correctly.

24.

Repeat step 7 through step 15 (page 5 through page 7), to load the second update file
(see Table A for UPDATE FILE #2) onto special tool USB drive J-52727.

25.

Repeat step 16 through step 23 (page 8 through page 9) to apply the second update
file to the vehicle.

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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 3
times.
HINT: A screen similar to the one in
Figure 15 will appear.
d. Select the Next button at the
bottom right side of the screen.
Figure 15
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 16.
HINT: Initialization is complete after
the audio unit reboots.

Figure 16
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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CLAIMS INFORMATION
Submit a Primary Operation (PO) type line claim using the following claims coding:
DESCRIPTION

OP CODE

Check for update

QX41AA

Check for update & perform AV control unit
reprogram

QX42AA

SYM

DIA

FRT
0.2

ZE

32

0.4

AMENDMENT HISTORY
PUBLISHED DATE

REFERENCE

March 9, 2020

NTB20-016

Original bulletin published

May 18, 2020

NTB20-016a

APPLIED VEHICLES updated and minor
changes made throughout

November 12, 2020

NTB20-016b

2020 Frontier added to APPLIED VEHICLES,
step 6, and Table A. SV added to APPLIED
TRIM LEVEL.

January 4, 2021

NTB20-016c

Classification and Reference numbers revised.
No other changes made.

February 4, 2021

NTB20-016d

Classification number updated

March 4, 2021

DESCRIPTION

Updated to add IMPORTANT statements to
NTB20-0126E pages 1 and 9. Repair Overview and
Frequently Asked Questions added to page 2.

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