Volvo bulletin 37288.4.0
What it saysThis is a Technical Journal: MIL and DTCs ECM P012807/P01287A. NHTSA’s full summary ↓
Volvo filed this with NHTSA as a service bulletin dated Feb 21, 2026, received Mar 2, 2026, about the engine — 2 documents under this number. It names 17 model years (2023–2026). 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 is a Technical Journal: MIL and DTCs ECM P012807/P01287A. In case of MIL and DTCs P012807 and P01287A set together, follow advice under "Service". A software solution was released in version 3.4.4
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 37288.4.0 | Service bulletin | Feb 21, 2026 | 11029182 | |
| 37288.4.0 | Service bulletin | Feb 5, 2026 | 11029174 |
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 themA 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 17 model years this bulletin names have filed 247 complaints with NHTSA since 2015. 9 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 live in , where summer temperatures are extremely high. This week, afternoon temperatures have been reaching nearly 100°F (38°C). My vehicle is a mild-hybrid Volvo XC40, and there is no option to permanently disable the automatic start-stop function (or at least every time I start the car).
2025 Volvo XC40 · Engine · filed with NHTSA Jul 31, 2026 · ODI 11753925
The contact owned a 2024 Volvo S90 MHEV. The contact stated that while driving at approximately 45 MPH with a rear seat passenger, there was smoke coming from the engine compartment. The contact pulled the vehicle over to the side of the road, and the vehicle immediately caught on fire.
2024 Volvo S90 · Engine · filed with NHTSA Aug 21, 2026 · ODI 11758515
I am reporting a serious and ongoing safety defect involving my 2024 Volvo XC90. The vehicle has experienced intermittent unintended acceleration, intermittent loss of safety and alert systems, and false obstacle detection that triggers unexpected braking or steering input.
2024 Volvo XC90 · Engine · filed with NHTSA Jan 29, 2026 · ODI 11714266
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 group32 other manufacturer communications filed against these Volvo models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Volvo list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 37083.8.1 | Service bulletin | Sep 24, 2026 | This is a Technical Journal: Text plus 1 MP4 - Not possible to go to Drive mode after ERS start. Download software. Please follow the advice… |
| 37844.2.0 | Service bulletin | Sep 12, 2026 | This is a TJ - text, plus 1 attached PDF - and 2 .MOV files If a noise from the engine occurrs during idling, refer to the attached sound fi… |
| 37316.5.0 | Service bulletin | Sep 12, 2026 | This is a Technical Journal: DTC ECM-P06DE00 set, no symptoms. Do not replace any parts or perform additional fault tracing. This is a misde… |
| 37844.1.0 | Service bulletin | Jun 26, 2026 | This is a TJ - text, plus 1 attached PDF - and 2 .MOV files If a noise from the engine occurrs during idling, refer to the attached sound fi… |
| 35526.1.8 | Service bulletin | Apr 23, 2026 | This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure Description and S… |
| 36923.9.1 | Service bulletin | Apr 22, 2026 | This is a Technical Journal: Text document plus 1 PDF attachment Coolant Pump Dry Coolant Mix Residue. If the coolant pump has an active lea… |
| 37083.7.0 | Service bulletin | Apr 18, 2026 | This is a Technical Journal: Text plus 1 MP4 - Not possible to go to Drive mode after ERS start. Download software. Please follow the advice… |
| 36923 | Service bulletin | Feb 17, 2026 | This is a Technical Journal: Text document plus 1 PDF attachment Coolant Pump Dry Coolant Mix Residue. If the coolant pump has an active lea… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Volvo, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Volvo 37288.4.0 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 37288.4.0 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 37288.4.0 cover?
The manufacturer filed it against 17 model years: 2025 Volvo S60, 2025 Volvo S90, 2024 Volvo S90, 2023 Volvo S90, 2026 Volvo V60, 2025 Volvo V60 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.