Mazda Mazda3, model years 2015 to 2016. Filed by Mazda North American Operations and reported to NHTSA on 2 October 2015. 14,411 vehicles potentially affected.
What the notice says Mazda North American Operations (Mazda) is recalling certain model year 2015-2016 Mazda3 vehicles manufactured May 21, 2015, to August 25, 2015. The affected vehicles are equipped with a fuel tank with a shut-off valve that can allow fuel to enter into the fuel tank emissions systems. If enough fuel enters the …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Mazda's own number for this recall: 8615J. That is the number on the owner letter and on the dealer paperwork. 15V621 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 15V621 cover?
- Mazda Mazda3, model years 2015-2016.
- What is wrong with them?
- Mazda North American Operations (Mazda) is recalling certain model year 2015-2016 Mazda3 vehicles manufactured May 21, 2015, to August 25, 2015. The affected vehicles are equipped with a fuel tank with a shut-off valve that can allow fuel to enter into the fuel tank emissions systems.
- What can happen if it is not put right?
- A fuel leak in the presence of an ignition source increases the risk of a fire. An engine that stalls increases the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Mazda will notify owners, and dealers will inspect the vehicle's fuel shut-off valve. As needed, the fuel shut-off valve and the affected fuel tank emissions system components will be replaced, free of charge. The recall began on October 20, 2015.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Mazda calls this recall 8615J, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “A fuel leak in the presence of an ignition source increases the risk of a fire. An engine that stalls increases the risk of a crash.”
affected
in the notice
caught
| Campaign | 15V621 |
|---|---|
| Filed by | Mazda North American Operations |
| System at fault | Fuel System, Gasoline:Storage:Tank Assembly |
| Reported to NHTSA | 2 October 2015 |
| Model years | 2015-2016 |
| Vehicles named | MAZDA MAZDA3 |
This is not an ordinary campaign.
- Owners are told not to drive the vehicle at all. NHTSA applies this to a small minority of campaigns. 28 of the 1,399 we currently hold.
What the notice says today
The consequence
A fuel leak in the presence of an ignition source increases the risk of a fire. An engine that stalls increases the risk of a crash.
The remedy
Mazda will notify owners, and dealers will inspect the vehicle's fuel shut-off valve. As needed, the fuel shut-off valve and the affected fuel tank emissions system components will be replaced, free of charge. The recall began on October 20, 2015. Owners are advised not to drive their vehicle until the repairs have been completed. Mazda will provide rental cars until that time. Owners may contact the Mazda Customer Experience Center at 1-800- 222-5500, option #6. Mazda's number for this recall is 8615J.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 470 notices in the record whose component field names fuel system, gasoline. Across that group the median wait before owners were written to was 46 days.
Last checked . No change has been recorded in the wording.
The same recall in other countries
This campaign carries a manufacturer code that also appears in another country’s register, which means the same defect was recalled there too.
- Canada: Transport Canada recall 2015444, recorded 2 October 2015 (within a week of the American filing)
Matched on 8615J, the manufacturer’s own number for this campaign, which is the only field the registers share. Exact match, nothing paired on brand and date. The two dates are adjacent instruments rather than the same one, so a difference of a day or two means nothing.
How often the two countries file on the same day · The European alerts
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 15V621, wording as read on 16 September 2026. https://carsmultiverse.com/recall/15v621/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Mazda notices we hold
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- 25V167: 2024-2025 CX-50
- 24V817: 2024 CX-90 and 2025 CX-70 plug-in hybrid electric
All 99 Mazda campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 15V621 on 23 August 2026, they were:
- Defect summary
04ef43d0 - Consequence
2a4910f6 - Remedy
4713a06d
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 15V621 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Mazda Mazda3, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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