Mazda bulletin PF-24-03
What it saysDue to limitations, certain vehicles from 2016 to current models might display an inaccurate transmission part number in the Global Electronic Parts Catalog (GEPC). NHTSA’s full summary ↓
Mazda filed this with NHTSA as a service bulletin dated Mar 6, 2024, received Apr 3, 2024, about the power train. It names 62 model years (2016–2025). 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.
Get the next Mazda bulletin for your model by email Weekly, only when something new is filed. Nothing else; one-click unsubscribe.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationDue to limitations, certain vehicles from 2016 to current models might display an inaccurate transmission part number in the Global Electronic Parts Catalog (GEPC). To provide support in such cases, a temporary lookup guide has been developed for assistance.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| PF-24-03 | Service bulletin | Mar 6, 2024 | 10252507 | PDF, 174 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.
Model years it names
Source: as the manufacturer filed themand 22 more on this site: 2022 Mazda MX-5, 2021 Mazda MX-5, 2020 Mazda MX-5, 2018 Mazda MX-5, 2017 Mazda MX-5, 2016 Mazda MX-5, 2025 Mazda Mazda3, 2024 Mazda Mazda3, 2023 Mazda Mazda3, 2022 Mazda Mazda3, 2021 Mazda Mazda3, 2020 Mazda Mazda3, 2019 Mazda Mazda3, 2018 Mazda Mazda3, 2017 Mazda Mazda3, 2016 Mazda Mazda3, 2021 Mazda Mazda6, 2020 Mazda Mazda6, 2019 Mazda Mazda6, 2018 Mazda Mazda6, 2017 Mazda Mazda6, 2016 Mazda Mazda6.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
Email me new Mazda bulletins for one of these models
A weekly email, sent only in a week when Mazda files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.
What owners reported
Source: NHTSA complaint databaseOwners of the 62 model years this bulletin names have filed 3,950 complaints with NHTSA since 2015. 315 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 2016 Mazda CX-5, the 41 owners who gave an odometer reading for Power Train reported it at a median of 5,411 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
I own 2020 Mazda cx 30 with 66000 miles. The transmission was shifting with jerky motions. On july 14, 2025 I brought the car to palisades Mazda in rockland county new york to have transmission looked at and to change transmission fluid changed. After I dropped the car off later that day I got a call that the transmission was condemned.
2020 Mazda CX-30 · Power Train · filed with NHTSA Jul 18, 2025
Manual transmission synchronizers fail, causing erratic gear shift operation and the inability to change gears, which could result in an accident. The ND Mazda Miata Owners Group on Facebook has polled its owners and found a 10% failure rate of manual transmissions among owners in the group who required replacement of the transmission.
2022 Mazda MX-5 · Power Train · filed with NHTSA Jun 18, 2024
On December 7, 2023 at approximately 10:30pm, I was traveling west bound on . Suddenly, there was a loud thumping noise from under the passenger seat. After about 10 seconds, it escalated to an extremely loud banging and the smell of oil. Not a single warning light appeared on my dashboard. I immediately attempted to pull off the road.
2016 Mazda MX-5 · Power Train · filed with NHTSA Jan 5, 2024
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 group56 other manufacturer communications filed against these Mazda models under the same component group (power train), newest first. The eight newest are listed; the rest are on the Mazda list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| PF-26-04 | Other | Sep 30, 2026 | SUBJECT: ORDERING REQUIREMENT FOR AT COMPONENTS FOR H3T (INLINE 6) Use this guide before ordering or replacing an AT component on applicabl… |
| SA-0-57-26 | Service bulletin | Aug 20, 2026 | This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-074/24 10/04/24 DESCRIPTION Some c… |
| 01-008-26 | Service bulletin | May 1, 2026 | This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-008/23 06/05/23 Some vehicles ma… |
| 01-003-26a | Service bulletin | May 1, 2026 | This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-003/26 01/30/26 Some vehicl… |
| SA-029-26 | Service bulletin | Apr 21, 2026 | This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DE… |
| 30-001-26b | Service bulletin | Apr 10, 2026 | HYBRID SYSTEM FAILURE DISPLAYED ON METER WITH DTC P2530:12 This bulletin supersedes the previously issued bulletin(s) listed below. The chan… |
| 01-007-26 | Service bulletin | Apr 2, 2026 | Some vehicles may exhibit the check engine light ON with DTC P2112… |
| SA-056-25 | Service bulletin | Nov 27, 2025 | When inspected, the differential or PTO oil is dark or black. This is considered normal and NO repair should be performed. During production… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Mazda, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Mazda PF-24-03 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 PF-24-03 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 PF-24-03 cover?
The manufacturer filed it against 62 model years: 2021 Mazda CX-3, 2020 Mazda CX-3, 2019 Mazda CX-3, 2018 Mazda CX-3, 2017 Mazda CX-3, 2016 Mazda CX-3 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.