NTB20-046F

Classification:
Reference:
AN20-020F
Date:
NTB20-046F
April 3, 2023
VOLUME KNOB DOES NOT FUNCTION PROPERLY
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.
APPLIED VEHICLES:
2019-2020 Altima (L34)
2018-2020 Kicks (P15) – SV and SR
2019-2020 Murano (Z52)
2019 Sentra (B17) – SV, SR, SR Turbo, SL, and NISMO
2020 Versa (N18) – SV and SR
IF YOU CONFIRM
The customer states the speaker volume does not change or changes erratically when
rotating the volume knob.
ACTION
1.
Rotate the volume knob rapidly in two cycles, for a total of 60 seconds, to remove
contaminate build-up.
2.
Update the AV Control Unit.
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
IMPORTANT: To ensure a successful repair, steps 2, 3, and 4 MUST be performed to
remove contaminate build-up on the full 360° radius of the electrical components internal to
the volume knob.
1.
Turn the audio and the ignition OFF.
2.
Rotate the volume knob clockwise and
counterclockwise approximately 180°
as rapidly as possible for 30 seconds
(Figure 1).
3.
Rotate the volume knob 180° from its
current position to remove the
contaminate from the opposite side of
the electrical component internal to the
volume knob.
Rotate knob 180°
4.
Rotate the volume knob clockwise and
counterclockwise as rapidly as
possible for another 30 seconds.
5.
Update the AV Control Unit.
Figure 1
(Altima shown, other vehicles are similar)
HINT: Refer to NTB23-018 for the latest infotainment update-software and
infotainment update procedures.
IMPORTANT: Refer to the next page for claims information. DO NOT use the claims
information from NTB23-018.
6.
After the AV Control Unit has been updated, verify the volume knob functions
correctly.

If the volume knob is still not functioning properly, return to ASIST for further
diagnostic information.
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NTB20-046F
CLAIMS INFORMATION
Submit a Primary Operation (PO) type line claim using the following claims coding:
DESCRIPTION
OP CODE
SYM
DIA
FRT
Update Display (AV) Control Unit – Includes Rotate Knob
RX9AAA
ZE
32
0.4
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
DESCRIPTION
June 26, 2020
NTB20-046
Original bulletin published
July 29, 2020
NTB20-046a
APPLIED VEHICLES revised
August 21, 2020
NTB20-046b
APPLIED VEHICLES revised
August 26, 2020
NTB20-046c
NOTE added to step 8 and APPLIED VEHICLES revised
February 3, 2021
NTB20-046d
Classification number updated
February 7, 2022
NTB20-046E
APPLIED VEHICLES revised, and Bosch contact
information removed from page 2 and step 10
April 3, 2023
NTB20-046F
Changes made throughout
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NTB20-046F