Classification:

AN21-007

Reference:

Date:

NTB21-036

April 28, 2021

INFOTAINMENT SCREEN TURNS ON AFTER TURNING
VEHICLE OFF
APPLIED VEHICLES:

2021 Maxima (A36)

IF YOU CONFIRM
The infotainment screen turns ON after the vehicle’s ignition is turned OFF and the door is
opened,
And
The current telematics control unit (TCU) part number is 28275-5SN9B.

ACTION
Reprogram the telematics control unit (TCU).

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
Reprogram the TCU
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.



Connect a battery maintainer/smart charger set to reflash mode or a similar
setting. If the vehicle battery voltage drops below 12.0V or rises above 15.5V
during reprogramming, the TCU may be damaged.



Be sure to turn OFF all vehicle electrical loads.
If a vehicle electrical load remains ON, the TCU may be damaged.



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



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

1.

Connect a battery maintainer/smart charger to the vehicle.

2.

Turn ON the ignition and the hazard warning lights.

3.

Connect the VI to the vehicle.

4.

Start C-III plus.

5.

Wait for the VI to be recognized.


The serial number will display when the VI is recognized.

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6.

Select Re/programming, Configuration.

The VI is
recognized

Figure 1

7.

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

Figure 2

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8.

Select Automatic Selection(VIN).

Figure 3

9.

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

XXXXXXXXXXX
MAXIMA
2021MY

Figure 4

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10.

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

XXXXXXXXXXXXXXXXXX

Figure 5

11.

Select IVC.

Figure 6

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NTB21-036

12.

Select Reprogramming.

Figure 7
13.

Find the TCU Part Number and write it on the repair order, and then select Save.
NOTE: This is the current Part Number (P/N).



If the current TCU part number is 28275-5SN9B, proceed to step 14 on
page 7.
If the current TCU part number is not 28275-5SN9B, reprogramming is not
required. Refer to the ESM for further diagnostic information.

XXXXXXXXXXXX

XXXXXXX
MAXIMA
XXXXXXXXXXXX
XXXXXXXXXXXX

Figure 8
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14.

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

Figure 9

15.

Read the Current Part Number and Part Number After Repro/programming. They
should be different, and then select Next.

XXXX
XXXX
MAXIMA
XXXXXXXXXXXX

XXXXXXXXXX
XXXX

Figure 10
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16.

Confirm the battery charger is ON and the battery voltage is between 12V-15.5V, and
then select Next.

Figure 11

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17.



To avoid damage to the TCU, ensure the ignition is ON and the hazard warning
lights are also ON, as the update will take approximately 45 minutes to
complete.



To avoid damage to the TCU, ensure a battery maintainer or smart charger set to
reflash mode or a similar setting is connected.



To avoid damage to the TCU, ensure the AC Adapter is connected to the
CONSULT PC.

Confirm the battery voltage Judgment is OK, and then select Start.

Figure 12

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18.

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

Figure 13

19.

Login using your NNAnet credentials.

Figure 14

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20.

Allow Transfer Data to complete.


The update will take approximately 45 minutes to complete.

XXXmin

Figure 15

21.

Once the update completes, select Next.

Figure 16

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Erase DTCs
22.

Erase All DTCs.


Follow the on-screen instructions as shown in Figure 17 and Figure 18.

Figure 17


Select Next.

Figure 18

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23.

Allow Erase All DTCs to complete.

Figure 19

24.

Follow the on-screen instructions and select Confirm.

XXXX
XXXX
MAXIMA
XXXXXXXXXXXX

XXXXXXXXXXXX

Figure 20

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25.

Select Home.

Figure 21

26.

Remove the battery maintainer/smart charger.

27.

Close the C-III plus application.

28.

Remove the VI from the vehicle.

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CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
Reprogram Telematics Control Unit
(TCU)
(1)
(2)

PFP

OP CODE

SYM

DIA

FRT

(1)

RS01AA

ZE

32

(2)

Reference the electronic parts catalog and use the Telematics Control Unit (28275*****) as the Primary Failed Part (PFP).
Reference the current Nissan Warranty Flat Rate Manual and use the indicated Flat
Rate Time (FRT).

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
April 28, 2021

NTB21-036

DESCRIPTION
Original bulletin published

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