Mazda bulletin SA-059-26
What it saysThis Service Alert supersedes the previously issued SA(s) listed below. NHTSA’s full summary ↓
Mazda filed this with NHTSA as a service bulletin dated Sep 10, 2026, received Oct 1, 2026, about the engine. It names 6 model years (2024–2027). 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 communicationThis Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-029/24 05/09/24 DESCRIPTION The CX-90 and CX-70 PHEV are equipped with two electric water pumps that look similar but have different part numbers. CAUTION: If the wrong water pump is ordered or they are reversed, DTC U019F could be set.
Trouble codes it names: U019F
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| SA-059-26 | Service bulletin | Sep 10, 2026 | 11037635 | PDF, 650 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| PX28-15-711 | Water pump #1 (EV system) | — | eBay Motors → |
| KR9P-61-2FX | Water pump #2 (HVAC system) | — | eBay Motors → |
Read by machine from the document NHTSA serves (2 pages), read Oct 1, 2026. A part number is shown only where it matches Mazda’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.
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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 themAlso filed against model years this site has no page for: 2027 Mazda CX-90 Plug-IN Hybrid.
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 databaseOwners of the 5 model years this bulletin names have filed 547 complaints with NHTSA since 2015. 96 of them name Engine — 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.
I own a 2026 Mazda CX-90 hybrid with approximately 13,000 miles. The vehicle began making a grinding noise while driving, which has progressively worsened over time. It has since developed a hard knocking noise accompanied by noticeable vibration when the vehicle shifts gears. This knocking occurs during normal in-town driving.
2025 Mazda CX-90 · Engine · filed with NHTSA Jul 14, 2026
My boyfriend and I rented the car from Hertz Car Rental in on Labor Day weekend. Within moments of driving the car off the lot, the safety camera system stopped working and the lights came on saying they weren’t working. The touch screen also started glitching and intermittently working but we didn’t think too much about it.
2026 Mazda CX-90 · Engine · filed with NHTSA Sep 20, 2026
Vehicle is in normal mode with EV mode engaged, car is going 70mph and suddenly accelerator stops working and decelerates to ~60mph until vehicle suddenly aggressively switches to gas mode and accelerates again
2024 Mazda CX-90 · Engine · filed with NHTSA Jan 30, 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 engine
Source: same model, same component group52 other manufacturer communications filed against these Mazda models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Mazda list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| SA-061-26 | Service bulletin | Sep 17, 2026 | DESCRIPTION Use this guide before ordering or replacing an AT component on applicable H3T vehicles. QUICK CHECKLIST BEFORE ORDERING Confirm… |
| SA-058-26 | Service bulletin | Aug 26, 2026 | This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-001/25 10/16/25, 05/15/25, 04/17/25… |
| 01-002-26a | Service bulletin | Jun 12, 2026 | This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red. 01-002/26 01/07/26 DESCRIPTION Some v… |
| SA-026-26 | Service bulletin | Apr 16, 2026 | This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/1… |
| MSP66 | Service campaign | Apr 15, 2026 | Subject: Mazda Service Program MSP66 - Engine Warning Light Illumination with DTC P0DAB 2024-2026 CX-90 and 2025-2026 CX-70, with H3T M Hybr… |
| SA-014-26 | Service bulletin | Mar 11, 2026 | This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPT… |
| 01-005-26 | Service bulletin | Feb 26, 2026 | Some vehicles may exhibit green residue (yellow circle) on the outer surface of the coolant reserve tank, which appears to be coolant blowba… |
| SA-007-26 | Service bulletin | Feb 5, 2026 | On some vehicles, an engine oil leak from the rear of the engine at the turbocharger drain back tube could be be confused as an oil leak fro… |
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 SA-059-26 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 SA-059-26 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 SA-059-26 cover?
The manufacturer filed it against 6 model years: 2026 Mazda CX-70, 2025 Mazda CX-70, 2026 Mazda CX-90, 2025 Mazda CX-90, 2024 Mazda CX-90, 2027 Mazda CX-90 Plug-IN Hybrid. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.