Ford bulletin SSM 51750
What it saysSome 2023 F-Super Duty vehicles equipped with a 6.7L engine, and built on or before 02-May-2023, may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U029D, U029E, U02A1… NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Jun 26, 2023, received Jun 30, 2023, about the engine. It names 7 model years (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 communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
Some 2023 F-Super Duty vehicles equipped with a 6.7L engine, and built on or before 02-May-2023, may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U029D, U029E, U02A1, U02A3, P2209, P24D0, P22A7, and/or P23B5. This may be due to a wiring chafe on harness 14406 near connector C146 touching the exhaust gas recirculation (EGR) cooler on the right side of the engine. Before performing normal diagnostics, inspect 20 amp fuse F18 (position 26). If fuse F18 is found open, inspect the 14406 harness for contact with the EGR cooler and repair as necessary. Refer to Wiring Diagram, Cell 005 for repair procedures. If no damage is found, refer to Workshop Manual, Section 303-08A for normal diagnostics.
Trouble codes it names: P2209 P22A7 P23B5 P24D0 U029D U029E U02A1 U02A3
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| SSM 51750 | Service bulletin | Jun 26, 2023 | 10238282 | PDF, 68 KB |
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.
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Model years it names
Source: as the manufacturer filed themAlso filed against model years this site has no page for: 2023 Ford F-550 SD; 2023 Ford F-600 SD; 2023 Ford F-650 SD; 2023 Ford F-750 SD.
A 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 90 complaints with NHTSA since 2015. 44 of them name Electrical System, Engine — 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.
Multiple electrical issues related to dashboard controls, video sensors, head unit. Controls powering down while driving, sensors throwing multiple error messages. All since 1,500 miles. Ford could not figure out what the issue was so they replaced the wiring harness. After 2 months in the shop I got my vehicle back.
2023 Ford F-350 Super Duty · Electrical System · filed with NHTSA Mar 11, 2025 · ODI 11647774
7 Pin Trailer Connector is not transfering power to trailer needs to be repair under warranty vehicle around 17000 miles No rapair was done at Mossy Ford dealer spend 5 days without vehicle Dealership provide me a diagram in order I repleace fuse by myself. no repairs was done problem persist
2023 Ford F-250 Super Duty · Electrical System · filed with NHTSA Jul 6, 2024 · ODI 11599563
Vehicle was being driven by a driver service to be delivered to the home garage after production was completed at the manufacturer. During transit, the operator reported that the low fuel pressure warning light came on immediately followed by flames in the engine compartment
2023 Ford F-450 Super Duty · Engine · filed with NHTSA May 19, 2025 · ODI 11661929
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 engine
Source: same model, same component group39 other manufacturer communications filed against these Ford models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Ford list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 26N03 | Other | Aug 26, 2026 | Customer Satisfaction Program 26N03 Certain 2017-2019 Model Year Super Duty Vehicles w/ 6.7L Diesel Engines Diesel Particulate Filter Replac… |
| 26E02 | Other | Aug 26, 2026 | NEW VEHICLE DELIVERY HOLD Emissions Recall 26E02 Certain 2016-2019 F-650 - 750 and 2017-2019 F-350 - 550 Vehicles Equipped With 6.7L Diesel… |
| 25M01 | Other | Jul 28, 2026 | Customer Satisfaction Program 25M01 Certain 2021 Model Year F-150 3.0L Diesel Engine and 2020-2022 Model Year Super Duty with 6.7L Diesel En… |
| 25N14 | Other | Jun 24, 2026 | Certain 2022 Model Year F-250 - F-600 with 6.7L Diesel Engines One-Time Replacement for Diesel Particulate Filter Assembly Failures, If Re… |
| 25E09 | Emissions | Jun 24, 2026 | NEW VEHICLE DEMONSTRATION / DELIVERY HOLD Emissions Recall 25E09 Certain 2022 Model Year F-250 - F-600 Vehicles with 6.7L Engines Powertrain… |
| TSB 26-2256 | Service bulletin | Jun 19, 2026 | This article supersedes TSB 25-2572 to update the Parts List to correct the part number LC3Z-6006-L to LC3Z-6781-A, remove the flex plate bo… |
| 22N05-S3 | Service bulletin | Jun 5, 2026 | Customer Satisfaction Program 22N05 - Supplement #3 Certain 2022 Model Year Super Duty with 6.7L Diesel Engine One-Time Replacement for Dies… |
| SSM 54690 | Service bulletin | Mar 26, 2026 | Some 2013-2016 Super Duty vehicles equipped with a 6.7L diesel engine and 2015-2019 Transit vehicles equipped with a 3.2L diesel engine may… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford SSM 51750 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 SSM 51750 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 SSM 51750 cover?
The manufacturer filed it against 7 model years: 2023 Ford F-250 Super Duty, 2023 Ford F-350 Super Duty, 2023 Ford F-450 Super Duty, 2023 Ford F-550 SD, 2023 Ford F-600 SD, 2023 Ford F-650 SD and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: built on or before 2 May 2023 — the build date is on the certification label in the driver’s door jamb.