Volkswagen bulletin TT 15-24-01
What it saysRemnants of the valve stem seal on the valve guide can interfere with the installation of new valve stem seals NHTSA’s full summary ↓
Volkswagen filed this with NHTSA as a manufacturer communication dated Jun 13, 2024, received Jul 2, 2024, about the engine. It names 30 model years (2018–2024). A manufacturer communication 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 communicationRemnants of the valve stem seal on the valve guide can interfere with the installation of new valve stem seals
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TT 15-24-01 | Other | Jun 13, 2024 | 11002874 |
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 30 model years this bulletin names have filed 5,078 complaints with NHTSA since 2015. 1,274 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.
On the 2019 Volkswagen Golf / GTI, the 145 owners who gave an odometer reading for Engine reported it at a median of 500 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The plastic oil pan at the bottom of the engine of my 2019 Volkswagen Tiguan 2.0t started leaking while I was on the highway, nearly stranding my family. It was very disappointing to see any vehicle using a fragile, unprotected plastic oil pan at the bottom of the engine, especially the Tiguan, which is marketed as a sport utility vehicle
2019 Volkswagen Tiguan · Engine · filed with NHTSA Dec 12, 2019 · ODI 11288668
After noticing an oil leak and blue smoke in my 23 VW atlas, I took it to my local dealership in Tupelo, MS. I realized there was an open recall for the PCV Valve / Oil separator under code 10LP. However, the bad PCV valve also caused the timing chain cover to go bad. The dealership called me back and said VW would not cover this issue.
2023 Volkswagen Atlas · Engine · filed with NHTSA Jul 20, 2026 · ODI 11751639
Vehicle had multiple engine malfunction lights appear and start/stop failures. Vehicle failed to start properly and speed was limited to prevent damage engine. Happened while I was driving it and I had to pull over and had the vehicle towed. An authorized dealer, Auto Import Inc in Brainerd, MN has had the vehicle since July 29th.
2024 Volkswagen Atlas · Engine · filed with NHTSA Aug 11, 2024 · ODI 11607846
In depth: 2024 Volkswagen Atlas engine problems → · 2022 Volkswagen Atlas engine problems → · 2021 Volkswagen Atlas engine problems → · 2019 Volkswagen Atlas engine problems →
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 group91 other manufacturer communications filed against these Volkswagen models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Volkswagen list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 54E4 / 5537 | Service bulletin | Sep 30, 2026 | Update ECM Control Module Programming |
| V0116152014815_20 | Service bulletin | Sep 17, 2026 | Suggested fuel additive |
| V2426012083103_1 | Service bulletin | Sep 11, 2026 | Reference to Service Action 24BD |
| V0126032083018_1 | Service bulletin | Aug 20, 2026 | Update Programming of the Engine/Motor Control Module -J623- |
| V1718062017813_24 | Service bulletin | Jul 9, 2026 | Oil Consumption Measurement and Electronic Oil Consumption Measurement |
| VWP-26-07 FAQ | Warranty extension | Jul 6, 2026 | For applicable 2018-2022 Atlas and Atlas Cross Sport 3.6L Settlement Class Vehicles (NA6 warranty key), the New Vehicle Limited Warranty wil… |
| 4C6D | Service bulletin | Jun 24, 2026 | Engine/Motor Control Module software update for DTC 0456 |
| V0125062079645_3 | Service bulletin | Jun 22, 2026 | Excess flashing left behind during the intake manifold injection molding process can cause a lean misfire in affected cylinders. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Volkswagen, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Volkswagen TT 15-24-01 a recall?
No. A manufacturer communication 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 TT 15-24-01 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. Every Volkswagen warranty extension on file lists the ones Volkswagen has filed.
Which vehicles does TT 15-24-01 cover?
The manufacturer filed it against 30 model years: 2024 Volkswagen Atlas, 2023 Volkswagen Atlas, 2022 Volkswagen Atlas, 2021 Volkswagen Atlas, 2020 Volkswagen Atlas, 2019 Volkswagen Atlas and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.