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Manufacturer communication · Service bulletin

Ford bulletin TSB 23-2434

What it saysThis article supersedes TSB 23-2302 to update the Service Procedure and Parts List. NHTSA’s full summary ↓

Ford filed this with NHTSA as a service bulletin dated Jan 25, 2024, received Feb 6, 2024, about the equipment. It names 1 model year (2024). 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 communication
2024 Mustang on or before 4 Dec 2023 “Built on or before 04-Dec-2023”

What 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.

This article supersedes TSB 23-2302 to update the Service Procedure and Parts List. Some 2024 Mustang vehicles built on or before 04-Dec-2023 may exhibit a condition where the rear bumper cover has poor fitment and/or excessive body gap where it meets the quarter panel. This may be due to incorrect installation and/or poor attachment to the bumper support bracket.

Kind Service bulletin Manufacturer date Jan 25, 2024 Received by NHTSA Feb 6, 2024 Components Equipment

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
TSB 23-2434Service bulletinJan 25, 202410249752PDF, 810 KB

What the document itself lists

Parts the bulletin names

Part numberDescriptionQtyFind it
PR3Z-17D942-CRight Hand Rear Bumper Cover Reinforcement—eBay Motors →
PR3Z-17D943-CLeft Hand Rear Bumper Cover Reinforcement—eBay Motors →
PR3Z-6332284-AFoam Block1eBay Motors →

Labour operations and the time the manufacturer allows

OperationDescriptionTime
232434A2024 Mustang: Inspect Bumper Cover, Replace Both Bumper Cover Brackets Includes Time…0.9 hrs
232434B—0.2 hrs

Read by machine from the document NHTSA serves (4 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. Listings and prices on eBay Motors are the seller’s.

Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.

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 them

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 database

Owners of the 1 model year this bulletin names have filed 82 complaints with NHTSA since 2015.

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 equipment

Source: same model, same component group

15 other manufacturer communications filed against the Ford Mustang under the same component group (equipment), newest first. The eight newest are listed; the rest are on the Ford list.

NumberKindDatedNHTSA’s summary
SSM 52476Service bulletinApr 24, 2024All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory install…
SSM 52449Service bulletinApr 16, 2024Some 2024 Mustang vehicles equipped with a mid-series instrument panel cluster display screen (minor feature code HCAAT) may exhibit a crack…
TSB 24-2106Service bulletinApr 11, 2024Some 2022-2023 Mustang convertible vehicles may exhibit a convertible top that requires extra effort to latch. This may be due to the conver…
SSM 52367Service bulletinMar 18, 2024Some 2024 Mustang vehicles built on or before 12-Jan-2024 and equipped with a 2.3L EcoBoost engine may exhibit an inoperative air conditioni…
TSB 23-2433Service bulletinDec 25, 2023Some 2015-2020 Mustang vehicles built on or before 30-Aug-2020 may exhibit a rattle like noise coming from the front seat. This may be due t…
SSM 52026Service bulletinOct 30, 2023Some 2024 Mustang vehicles may exhibit an illuminated MIL with DTC P059F stored in the powertrain control module (PCM). This may be due to a…
TSB 23-2334Service bulletinOct 27, 2023This article supersedes TSB 21-2220 to update the model years affected and part list. Some 2018-2024 Mustang coupe vehicles may exhibit a sa…
SSM 52006Service bulletinOct 23, 2023Some 2024 Mustang vehicles may exhibit an inoperative air conditioning (a/c) system. Diagnostic trouble codes (DTCs) B3A1B and/or P0534 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.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Ford TSB 23-2434 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 TSB 23-2434 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 TSB 23-2434 cover?

The manufacturer filed it against 1 model year: 2024 Ford Mustang. 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: 2024 Mustang: built on or before 4 Dec 2023 — the build date is on the certification label in the driver’s door jamb.