Nissan bulletin NTB26-027
What it saysAEB WARNING WITH ONE OR MORE CURRENT DTCS STORED IN THE ADAS CONTROL UNIT 2, AND/OR THE LASER/RADAR CONTROL UNIT IF YOU CONFIRM The front radar is inoperative, the AEB warning is displayed, and one or more… NHTSA’s full summary ↓
Nissan filed this with NHTSA as a service bulletin dated May 1, 2026, received May 30, 2026, about the service brakes. It names 3 model years (2023–2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationAEB WARNING WITH ONE OR MORE CURRENT DTCS STORED IN THE ADAS CONTROL UNIT 2, AND/OR THE LASER/RADAR CONTROL UNIT IF YOU CONFIRM The front radar is inoperative, the AEB warning is displayed, and one or more of the following DTCs are stored as CURRENT: · U2752-88 for “Ethernet circuit” stored in the ADAS control unit 2, · U275F-88 for “Ethernet circuit” stored in the LASER/RADAR (DISTANCE SENSOR) control unit, OR · C2589-86 for “TCM” stored in the LASER/RADAR (DISTANCE SENSOR) control unit, AND/OR · C258E-86 for “ABS” stored in the LASER/RADAR (DISTANCE SENSOR) control unit. 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.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| NTB26-027 | Service bulletin | May 1, 2026 | 11033027 | PDF, 102 KB |
What the document itself lists
Labour operations and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| RXM2AA | — | 0.5 hrs |
| RXM3AA | — | 0.5 hrs |
Read by machine from the document NHTSA serves (2 pages), read Sep 29, 2026. A part number is shown only where it matches Nissan’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
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The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 3 model years this bulletin names have filed 252 complaints with NHTSA since 2015. 60 of them name Service Brakes — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
serious incident that happened. While we were driving heading uphill to the beach, the check engine light and multiple warnings suddenly appeared. It said 'transmission error' and 'engine power reduced,' and the car just shut down with the kids inside. We were at risk of the car rolling backwards.
2025 Nissan Pathfinder · Service Brakes · filed with NHTSA Mar 3, 2026 · ODI 11721628
AEB light will come on, telling me that the automatic braking system is not working. Error codes were C2501-4B and C1F05-4B
2023 Nissan Pathfinder · Service Brakes · filed with NHTSA Jan 31, 2024 · ODI 11568961
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Nissan, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Nissan NTB26-027 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the NTB26-027 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does NTB26-027 cover?
The manufacturer filed it against 3 model years: 2025 Nissan Pathfinder, 2024 Nissan Pathfinder, 2023 Nissan Pathfinder. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.