Mazda B-Series Truck, model years 2004 to 2006. Filed by Mazda North American Operations and reported to NHTSA on 12 December 2023. 12,741 vehicles potentially affected.
What the notice says Mazda North American Operations (Mazda) is recalling certain 2004-2006 B-Series vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement front passenger air bag inflators may have been installed incorrectly.
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: 6423L. That is the number on the owner letter and on the dealer paperwork. 23V837 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 23V837 cover?
- Mazda B-Series Truck, model years 2004-2006.
- What is wrong with them?
- Mazda North American Operations (Mazda) is recalling certain 2004-2006 B-Series vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement front passenger air bag inflators may have been installed incorrectly.
- What can happen if it is not put right?
- An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the risk of injury during a crash.
- Is there a fix yet?
- Yes, and it is free. Dealers will inspect and reinstall the front passenger air bag inflator, as necessary, free of charge. Owner notification letters were mailed February 1, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6423L.
- 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 6423L, 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: “An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the risk of injury during a crash.”
affected
in the notice
caught
| Campaign | 23V837 |
|---|---|
| Filed by | Mazda North American Operations |
| System at fault | Air Bags:Frontal:Passenger Side:Inflator Module |
| Reported to NHTSA | 12 December 2023 |
| Model years | 2004-2006 |
| Vehicles named | MAZDA B-SERIES TRUCK |
What the notice says today
The consequence
An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the risk of injury during a crash.
The remedy
Dealers will inspect and reinstall the front passenger air bag inflator, as necessary, free of charge. Owner notification letters were mailed February 1, 2024. Owners may contact Mazda customer service at 1-800-222-5500 Option 6. Mazda's number for this recall is 6423L.
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 846 notices in the record whose component field names air bags. 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 2023656, recorded 12 December 2023 (within a week of the American filing)
Matched on 6423L, 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
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 23V837, wording as read on 17 September 2026. https://carsmultiverse.com/recall/23v837/
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.
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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 23V837 on 5 September 2026, they were:
- Defect summary
f3ccf40d - Consequence
55abcd7b - Remedy
a02c9741
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 23V837 · how the whole register is watched
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Owners of these cars
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