Lincoln bulletin OTA SU 6 P1 Naut
What it saysQuality Improvements include: Allow vehicle entry during OTA update. NHTSA’s full summary ↓
Lincoln filed this with NHTSA as a service bulletin dated Apr 19, 2024, received May 6, 2024, about the electrical system. It names 3 model years (2021–2023). 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 communicationQuality Improvements include: Allow vehicle entry during OTA update. Add secure verification and roll back to Direct Configuration updates.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| OTA SU 6 P1 Naut | Service bulletin | Apr 19, 2024 | 10254334 | not found |
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 50 complaints with NHTSA since 2015. 7 of them name Electrical System — 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.
Good afternoon, I am an owner of a 2002 Lincoln Nautilus. I wanted to report an electrical/battery issue with the vehicle that started a year and a half ago. In the past year and a half I have had 2 battery replacements with the most recent one being changed end of December of 2025 and in early March the battery went again so it's not…
2022 Lincoln Nautilus · Electrical System · filed with NHTSA Mar 19, 2026 · ODI 11725508
Vehicle died in parking lot. The electronics all worked, it just would not start and would not go into any gear. Had to have it towed to dealer for repair. They replaced the PCM but it still would not start. They again replaced the PCM and a fuse. The vehicle started. This is the FOURTH time for the exact same issue.
2021 Lincoln Nautilus · Electrical System · filed with NHTSA Apr 26, 2026 · ODI 11733835
Purchased vehicle 7/29/23 While driving 8/19, vehicle auto-shifted from drive into neutral and the check engine light appeared. I was in the process of accelerating from the on ramp & moving to the left lane. Attempts to return the vehicle to drive were unsuccessful & I coasted to the right shoulder of the highway.
2023 Lincoln Nautilus · Electrical System · filed with NHTSA Aug 20, 2023 · ODI 11539627
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.
More bulletins about the electrical system
Source: same model, same component group76 other manufacturer communications filed against the Lincoln Nautilus under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Lincoln list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| SSM 55256 | Service bulletin | Oct 16, 2026 | Some 2024-2026 Nautilus and 2025-2027 Explorer/Aviator vehicles equipped with power folding mirrors may exhibit concerns with the auto foldi… |
| SSM 55247 | Service bulletin | Oct 15, 2026 | Some 2024-2026 Nautilus vehicles may experience an "Advance Front Lighting Features Temporarily Unavailable" message with diagnostic trouble… |
| TSB 26-2442 | Service bulletin | Oct 14, 2026 | This bulletin supersedes 26-2297. Reason for update: Add 2022-2025 Transit vehicles. Some of the vehicles listed in the model statement abov… |
| SSM 55220 | Service bulletin | Oct 6, 2026 | Some 2024-2026 Nautilus and 2025-2026 Explorer/Aviator/Expedition/Navigator vehicles may experience Android Auto connection or general Bluet… |
| 26B19 | Other | Aug 31, 2026 | Recommended Repair Prior to Sale Customer Satisfaction Program 26B19 2024-2025 MY Nautilus 2.0L Hybrid Vehicles Powertrain Control Module… |
| SSM 55131 | Service bulletin | Aug 27, 2026 | Some 2025-2026 Aviator/Explorer/Expedition/F-150/Mustang Mach-E/Nautilus/Navigator vehicles may exhibit the hands-free BlueCruise feature in… |
| SSM 55118 | Service bulletin | Aug 25, 2026 | Some of the following vehicles: * 2023-2025 F-Super Duty built on or before 02-Feb-2025 * 2024-2026 Ranger/Bronco/Mustang * 2024-2025 F-15… |
| SSM 55116 | Service bulletin | Aug 25, 2026 | Some of the following vehicles: * 2025-2026 Expedition/Navigator built on or after 02-Feb-2025 * 2025-2026 F-Super Duty built on or after 0… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Lincoln, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Lincoln OTA SU 6 P1 Naut 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 OTA SU 6 P1 Naut 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 OTA SU 6 P1 Naut cover?
The manufacturer filed it against 3 model years: 2023 Lincoln Nautilus, 2022 Lincoln Nautilus, 2021 Lincoln Nautilus. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.