NHTSA ID Number: 11028686
Manufacturer Communication Number: NTB26-003
TSB/Document Date: 2026-02-10
Summary
FALSE ACTIVATION OF AEB OR FCW IF YOU CONFIRM The customer states they have experienced false activation and/or unexpected braking of the Automatic Emergency Braking (AEB) or Forward Collision Warning (FCW) system, AND There are no related DTCs stored. ACTION Follow the SERVICE PROCEDURE in this bulletin to: 1. Confirm the current ICC/ADAS part number. 2. Reprogram the ICC/ADAS, if applicable. 3. Configure the ICC/ADAS. 4. Erase the DTCs. 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.
Classification:
Reference:
DA25-005
Date:
NTB26-003
January 16, 2026
FALSE ACTIVATION OF AEB OR FCW
APPLIED VEHICLES:
APPLIED SYSTEMS:
2020 Altima (L34)
Automatic Emergency Braking/Forward Collision Warning
IF YOU CONFIRM
The customer states they have experienced false activation and/or unexpected braking of
the Automatic Emergency Braking (AEB) or Forward Collision Warning (FCW) system,
AND
There are no related DTCs stored.
ACTION
Follow the SERVICE PROCEDURE in this bulletin to:
1. Confirm the current ICC/ADAS part number.
2. Reprogram the ICC/ADAS, if applicable.
3. Configure the ICC/ADAS.
4. Erase the DTCs.
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 Nissan
dealer to determine if this applies to your vehicle.
1/4
SERVICE PROCEDURE
1.
Using CONSULT, confirm the current ICC/ADAS 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
Altima
CURRENT ICC / ADAS PART
NUMBER: 284E76CA7D, 9HE0B, 9HE2B
CURRENT ICC / ADAS PART
NUMBER: 284P19HB1C
If you are not familiar with the CONSULT Reprogramming and Configuration procedures,
refer to ASIST to access the CONSULT Operation Manual and the Electronic Service
Manual (ESM) for steps to reprogram and configure an ECU. Follow all precautions in both
manuals to prevent possible personal injury or death and/or damage to the ECU.
2.
Reprogram the ICC/ADAS ECU to the new ADAS software.
•
Refer to the CONSULT-III plus Operation Manual: ASIST Home Page > Menu
Icon > CONSULT SUPPORT > CONSULT SUPPORT ITEMS > CONSULT-III
plus Operation Manual > English / French / Spanish > Diagnosis Menu >
Reprogramming
IMPORTANT: When using CONSULT-III plus, select Re/programming,
Configuration to reprogram the ECU. Perform "ADDITIONAL SERVICE" per the ESM
when required.
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.
2/4
NTB26-003
4.
Configure the ICC/ADAS ECU.
•
Refer to the CONSULT-III plus Operation Manual: ASIST Home Page > Menu
Icon > CONSULT SUPPORT > CONSULT SUPPORT ITEMS > CONSULT-III
plus Operation Manual > English / French / Spanish > Diagnosis Menu >
Configuration > Manual Writing (Operation C)
•
Refer to the Electronic Parts Catalog (EPC) to determine the OLD CONFIG PART
NUMBER (Type ID) for your VIN. Write the OLD CONFIG PART NUMBER (Type
ID) on the repair order.
•
Using both the OLD CONFIG PART NUMBER (Type ID) and the Part Number
After Repro/programming, reference Table B to determine and select the NEW
CONFIG PART NUMBER (Type ID).
Table B
PART NUMBER
PART
NAME
Cont AssyADAS
Cont AssyADAS
Cont AssyADAS
Cont AssyWarning
Speaker
BEFORE REPRO/
PROGRAMMING
284E7-9HE0B
284E7-6CA7D
284E7-9HE2B
284P1-9HB1C
AFTER REPRO/
PROGRAMMING
284E7-9HJ3A
284E7-9HJ3A
284E7-9HJ3A
284P1-9HB2C
3/4
PART
NAME
ROM DataADAS
ROM DataADAS
ROM DataADAS
ROM DataWarning
Speaker
CONFIG PART NUMBER
(Type ID)
OLD
NEW
284E9-9HE1D
284E9-6CH0B
284E9-9HE1C
284E9-6CH0A
284E9-9HE2A
284E9-6CH0D
284E9-9HE1E
284E9-6CH0C
284E9-9HE2B
284E9-6CH0E
284E9-6CH8D
284E9-6CH0B
284E9-6CH8C
284E9-6CH0A
284E9-6CH9A
284E9-6CH0D
284E9-6CH8E
284E9-6CH0C
284E9-6CH9B
284E9-6CH0E
284E9-6CH0B
284E9-6CH0B
284E9-6CH0A
284E9-6CH0A
284E9-6CH0D
284E9-6CH0D
284E9-6CH0C
284E9-6CH0C
284E9-6CH0E
284E9-6CH0E
284P4-9HB6B
284P4-9HB6B
NTB26-003
5.
Erase all the DTCs.
CLAIMS INFORMATION
Without ProPilot
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
Perform Software Check ICC/ADAS
(1)
OP CODE
SYM
DIA
ZE
32
SYM
DIA
ZE
32
RXE1AA
FRT
0.4
Perform Software Check and Reprogram
RXD9AA
0.8
(1) Refer to the EPC and use the Warning Speaker Controller ASSY (284P1-*****) part
number as the Primary Failed Part (PFP).
OR
With ProPilot
DESCRIPTION
PFP
Perform Software Check ICC/ADAS
(1)
OP CODE
RXD8AA
FRT
0.4
Perform Software Check and Reprogram
RXD7AA
0.8
(1) Refer to the EPC and use the ADAS Control Unit (284E7-*****) part number as the
Primary Failed Part (PFP).
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
January 16, 2026
NTB26-003
DESCRIPTION
Original bulletin published
4/4
NTB26-003
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TSB/Document ID: NTB26-003
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FORWARD COLLISION AVOIDANCE: WARNINGS
MFR Component System:
MFR Component Subsystem:
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