Service bulletin NTB26-003

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	11028686
Published by NHTSA	2026-02-10
Manufacturer's number	NTB26-003
Manufacturer's date	2026-01-16
NHTSA component	FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance

Vehicles listed
NISSAN ALTIMA	2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V628000	2023-09-08. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
NTB19-042F	2025-02-25. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING APPLIED SYSTEMS: Vehicles equipped with a lane camera (see Figure 1) SERVICE INFORMATION If the Automatic Emergency Braking (AEB) warning light or is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield. A blinking AEB warning light may occur under the following conditions: • When contamination or foreign material adhere to the lane camera viewing window on the windshield. • When driving while it is snowing or when frost forms on the lane camera viewing window on the windshield. • When the lane camera viewing window on the windshield is temporarily fogged up. Figure 1 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. HINT: o Refer to the applicable ESM for diagnosis if DTCs are present in the Laser/Radar, ICC/ADAS, or Lane Camera systems. o For further information: • Refer to the following pages. • Use the search keyword “blinking” in the ESM.
NTB19-033G	2025-02-25. Service bulletin. INTELLIGENT CRUISE CONTROL INOPERATIVE AND AEB/FEB WARNING LIGHT ON OR RADAR OBSTRUCTION MESSAGE DISPLAYED WITH DTC C1A16 OR C2582 IF YOU CONFIRM IMPORTANT: The purpose of ACTION (on the next page) 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. The customer states that the ICC stopped working while driving, OR The customer states that the AEB/FEB warning light is ON, or turned ON, while driving (Figure 1), OR The message “Unavailable Front Radar Obstruction” or “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner's Manual” has displayed while driving (Figure 2). AND DTC C1A16, C1A16-97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1 Figure 2 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual
NTB20-066C	2024-10-22. Service bulletin. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM SERVICE INFORMATION If the lane camera requires aiming, the values in Table A on page 4 must be used. • For all other models/model years, consult the Electronic Service Manual (ESM).
NTB19-042E	2024-06-07. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-038B	2023-06-30. Service bulletin. RAB WARNING LIGHT ON IN INSTRUMENT PANEL AND/OR DTC B2724-23 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-042D	2023-04-07. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-073A	2023-02-07. Service bulletin. REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56-04 AND/OR C1B56-97 STORED IN THE ADAS CONTROL UNIT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-038A	2023-02-07. Service bulletin. RAB WARNING LIGHT ON IN INSTRUMENT PANEL AND/OR DTC B2724-23 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-073	2022-08-31. Service bulletin. REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56-04 OR C1B56-97 STORED IN THE ICC/ADAS2 CONTROL MODULE SERVICE INFORMATION If the customer states the rear automatic braking (RAB) warning light was illuminated and “Malfunction See Owner’s Manual” appears in the message center (Figure 1), AND / OR DTC C1B56-04 and/or C1B56-97 are stored in the ICC/ADAS2 Control Module. Refer to the information on page 2 to determine next steps.
NTB22-038	2022-08-27. Service bulletin. RAB WARNING LIGHT ON IN INSTRUMENT PANEL AND/OR DTC B2724-23 STORED IF YOU CONFIRM The customer states an RAB warning light in the instrument panel’s information display is ON (Figure 1), AND/OR DTC B2724-23 (SONAR CONTROL UNIT - SONAR ECU INTERNAL FAILURE [UNDER VOLTAGE]) is stored. NOTE: A RAB warning light may appear in the vehicle information display. ACTION Reprogram and configure the Sonar Control Unit with the SERVICE PROCEDURE in this bulletin, if applicable.