Classification:

Reference:

DA25-004

Date:

ITB25-011

October 7, 2025

AEB WARNING WITH U2752-88 STORED IN
ADAS CONTROL UNIT 2 AND/OR
U275F-88 STORED IN THE DISTANCE SENSOR CONTROL UNIT
APPLIED VEHICLES:
APPLIED SYSTEMS:

2025 QX80 (Z63)
AEB (Automatic Emergency Braking)

IF YOU CONFIRM
The AEB warning was displayed, and one or both of the following DTCs stored as Current:
•

U2752-88 for “Ethernet circuit” stored in the ADAS control unit 2.

•

U275F-88 for “Ethernet circuit” stored in the Distance Sensor control unit.
HINT: The ESM shows U275F-88 as being stored in the LASER/RADAR control
unit and in CONSULT 4 it is displayed as Distance Sensor.

ACTION
1.

Confirm the current Distance Sensor control unit part number.

2.

Reprogram the Distance Sensor control unit, if applicable.

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.
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

1.

Using CONSULT 4, confirm the current Distance Sensor control unit (ECU) part
number and write it on the repair order.
•

If it matches one of the part numbers in Table A, continue to step 2 below.

•

If it does not match one of the part numbers in Table A, this bulletin does not
apply. Go back to ASIST for further diagnostic and repair information.

Table A
MODEL

CURRENT ECU PART NUMBER: 988J0-

2025 QX80

7JA3A, 7JA3C

If you are not familiar with the CONSULT Reprogramming procedure, refer to the
CONSULT Operation Manual and the Electronic Service Manual (ESM) for steps to
reprogram an Electronic Control Unit (ECU). Follow all precautions in both manuals to
prevent possible personal injury or death and/or damage to the ECU.

2.

Reprogram the Distance Sensor control unit.
IMPORTANT: When using CONSULT 4, follow the “Vehicle Menu” and select the
Vehicle reprogramming option under “Tool Menu” to reprogram the ECU.

3.

After erasing all DTCs, print a copy of the CONSULT screen showing the before
and after part numbers of the control unit and attach it to the repair order.

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

PFP

Check the Current Part Number
Check Part Number & Reprogram the
Distance Sensor
Control Unit
(1)

OP CODE

SYM

DIA

RXJ3AA
(1)

RXJ4AA

FRT
0.3

ZE

32

0.5

Reference the electronic parts catalog and use the Distance Sensor Assy 28437-*****
as the Primary Failed Part (PFP).

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ITB25-011

AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
October 7, 2025

ITB25-011

DESCRIPTION
Original bulletin published

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ITB25-011