Classification:

Reference:

AN22-007B

Date:

ITB22-017B

August 15, 2024

DTC B2E01-96 (INTERNAL BATTERY)
STORED AS CURRENT IN IVC
This bulletin has been amended. See AMENDMENT HISTORY on the last page.
Please discard previous versions of this bulletin.

APPLIED VEHICLES:

2020-2024 Q50 (V37)
2020-2022 Q60 (CV37)
2020-2024 QX50 (J55)
2022-2024 QX55 (FJ55)
2022-2024 QX60 (L51)
2020-2024 QX80 (Z62)

APPLIED SYSTEMS:

Vehicles equipped with Telematics

SERVICE INFORMATION
CONSULT has been updated to allow DTC B2E01-96 for “Internal battery” to be cleared in
the Telematics Control Unit (TCU).
If DTC B2E01-96 is Current/Active in the TCU, and no additional Current/Active DTCs are
present in the TCU, perform the SERVICE PROCEDURE starting on page 2.

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 Infiniti retailer to determine if this applies to your vehicle.
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SERVICE PROCEDURE

IMPORTANT: Before starting, make sure:


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



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



Connect a battery maintainer or smart charger set to reflash mode or a similar
setting. If the vehicle battery voltage drops below 12.0V or rises above 13.5V
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.

Confirm that the CONSULT PC is connected to Wi-Fi.

2.

Turn the ignition ON.

3.

Connect the VI to the vehicle.

4.

Start CONSULT-III.

5.

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

6.

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.

7.

Wait for the VI to be recognized.


The serial number will display when the VI is recognized (Figure 1 on page 3).

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ITB22-017B

8.

Select Diagnosis (All Systems).

The VI is
recognized

Figure 1

9.

Verify the correct VIN or Chassis # is populated (Figure 2).

10.

Select Confirm.

XXXXXXXXXXXXXXXXX
XXXXXXXX
XXXXXXXX

Figure 2

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ITB22-017B

11.

Confirm that DTC B2E01-96 for “Internal battery” is “CRNT” in the IVC.


If only DTC B2E01-96 is present, select IVC (Figure 3) and then proceed to
step 12.



If additional DTCs, other than B2E01-96, are present in the IVC, refer to the ESM
for further diagnostic information and repair first, and then proceed to step 12.
HINT: Diagnosis and repair of DTCs other than B2E01-96 are not covered by this
bulletin.

Figure 3

12.

Select Work support.

Figure 4
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ITB22-017B

13.

Select TCU Backup Battery Reset, and then select Start.

Figure 5

14.

Verify that the Current status indicates “Waiting”, and then select Start.

Figure 6

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ITB22-017B

15.

When the Current status has changed to “Completed”, select End.

Figure 7

16.

Select Self Diagnostic Result and confirm that DTC B2E01-96 Internal battery is
“PAST”, and then select ERASE.


If B2E01-96 Internal battery will not change to “PAST”, refer to the ESM for
further diagnostic information.

Figure 8

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ITB22-017B

17.

Select Diagnosis (All Systems), where shown in Figure 9.

18.

In Diagnosis (All Systems), confirm that B2E01-96 Internal battery IVC has not
returned, and then select Home.


If B2E01-96 Internal battery returns as “CRNT” or will not ERASE, refer to the
ESM for further diagnostic information.

Figure 9

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ITB22-017B

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
(1)

PFP

OP CODE

SYM

DIA

FRT

Reset TCU Backup Battery
(1)
RXA9AA
ZE
32
0.4
Reference the electronic parts catalog and use the Telematics Control Unit (28275*****) as the Primary Failed Part (PFP).

AMENDMENT HISTORY
PUBLISHED DATE

REFERENCE

DESCRIPTION

April 12, 2022

ITB22-017

January 18, 2023

ITB22-017A

APPLIED VEHICLES revised, and login steps
moved to page 2

August 15, 2024

ITB22-017B

APPLIED VEHICLES and battery voltage
range on page 2 revised

Original bulletin published

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ITB22-017B