Ford bulletin 24E04
What it saysThe affected vehicles have an on-board diagnostics (OBD) system that may falsely set the catalytic converter Diagnostic Trouble Codes (DTC) P0420 – Catalyst System Efficiency Below Threshold (Bank 1) and/or P0430 –… NHTSA’s full summary ↓
Ford filed this with NHTSA as an emissions communication dated May 5, 2026, received Nov 5, 2024, about the power train — 2 documents under this number. It names 4 model years (2022–2023). An emissions communication is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThe affected vehicles have an on-board diagnostics (OBD) system that may falsely set the catalytic converter Diagnostic Trouble Codes (DTC) P0420 – Catalyst System Efficiency Below Threshold (Bank 1) and/or P0430 – Catalyst System Efficiency Below Threshold (Bank 2), causing the Malfunction Indicator Light (MIL) to illuminate even though a repair may be unnecessary
Trouble codes it names: P0420 P0430
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 24E04 | Emissions | May 5, 2026 | 11033581 | PDF, 502 KB |
| 24E04 | Emissions | Oct 4, 2024 | 11009829 | PDF, 1,176 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty |
|---|---|---|
| NL3Z-5E212-G | Needed 1 Left Catalytic Converter | — |
| NL3Z-5E212-H | Needed 1 Right Catalytic Converter | — |
| W705443-S900 | Needed 4 Catalytic Converter Nuts | — |
| PL3Z-5C226-A | Needed 1 Exhaust Gasket | — |
| W520114-S442 | Needed 4 Transmission Support Crossmember Nuts | — |
| W714418-S439 | Needed 4 Transmission Support Crossmember Bolts | — |
| W709771-S440 | Needed 1 Transmission Mount Nuts | — |
| W500120-S439 | Needed 4 Transmission Support Insulator Bolts | — |
| W718926-S900 | Needed 4 Transmission Support Insulator Bolts | — |
| W714717-S439 | Needed 4 Muffler Inlet Pipe Bolts | — |
| ML3Z-6775-K | Needed 1 Self-Adhesive Heat Shield Material | — |
Read by machine from the document NHTSA serves (22 pages), read Sep 30, 2026. A part number is shown only where it matches Ford’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.
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 4 model years this bulletin names have filed 1,538 complaints with NHTSA since 2015. 467 of them name Power Train — 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.
On the 2022 Ford F-150, the 55 owners who gave an odometer reading for Power Train reported it at a median of 30,000 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
Passenger side rear axle retention bolt sheared off. Discovered during routine maintenance / tire rotation. Unknown how safety was at risk -- dealer told me once discovered that the vehicle would be repaired under warranty, and they could do in 24 hours, so no discussion about unsafe to drive as others have reported they were told.
2022 Ford F-150 · Power Train · filed with NHTSA Nov 20, 2022 · ODI 11494333
EIWE (Electronic Integrated Wheel End) failure or malfunction. Ford has multiple Field Service Engineers aware of the issue with no fix found. Multiple vehicles not only at one dealership but across the country have confirmed issues. Ford Customer Relations is aware and has an open case with me and many other owners.
2023 Ford F-150 · Power Train · filed with NHTSA Dec 9, 2023 · ODI 11559262
Aprox 1083 miles PowertraiN malfunction/ reduced power Vehicle was on the dealer shop for 4days so far( still counting)...second time on a brand new vehicle with a little bit more than 1000 miles Not able to drive a vehicle after 15 min, very unsafe
2023 Ford F-150 Lightning · Power Train · filed with NHTSA Jan 29, 2024 · ODI 11568398
In depth: 2023 Ford F-150 transmission and drivetrain problems → · 2022 Ford F-150 transmission and drivetrain problems →
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 power train
Source: same model, same component group127 other manufacturer communications filed against these Ford models under the same component group (power train), newest first. The eight newest are listed; the rest are on the Ford list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB 26-2436 | Service bulletin | Oct 30, 2026 | Some of the vehicles listed in the Model statement above may have diagnostic trouble code (DTC) P05B0 stored in the powertrain control modul… |
| TSB 26-2448 | Service bulletin | Oct 27, 2026 | This bulletin supersedes 25-2236. Reason for update: To consolidate prior articles and revise the Service Procedure to add an AAD blade limi… |
| TSB 26-2408 v2 | Service bulletin | Oct 22, 2026 | This bulletin supersedes 26-2309. Reason for update: update the Model section to remove Aviator 10R80, update theParts list to add 3.3L to W… |
| TSB 26-2431 | Service bulletin | Oct 21, 2026 | This bulletin supersedes 26-2226. Reason For Update: update the Service Procedure for 2021-2022 F-150 3.5L EcoBoost vehicles with the new Fo… |
| TSB 26-2408 | Service bulletin | Sep 22, 2026 | This bulletin supersedes 26-2309. Reason For Update: update the Model section to remove Aviator 10R80, update the Parts list to add 3.3L to… |
| 26E03 | Emissions | Sep 17, 2026 | Certain 2026 Model Year F-150 Raptor Vehicles With 3.5L Engines Powertrain Control Module (PCM) Software Update |
| TSB 26-2395 | Service bulletin | Aug 26, 2026 | This article supersedes 26-2287. Reason for update: update the labor operation numbers to add MT to operations C, F, G, H, J, K, L and M, an… |
| PT-26.13.13 | Over-the-air update | Aug 11, 2026 | 25C69 Recall remedy - Updates the Secondary On-Board Diagnostic Module C to provide for release of the Integrated Park Module slider in the… |
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 24E04 a recall?
No. A emissions communication 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 24E04 repair free?
A emissions communication is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 24E04 cover?
The manufacturer filed it against 4 model years: 2023 Ford F-150, 2022 Ford F-150, 2023 Ford F-150 Lightning, 2022 Ford F-150 Lightning. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.