Porsche bulletin No. 1702.1
What it saysInstructions on advanced technical information for the Convertible Top Rear Window Frame on the 718 and 911. NHTSA’s full summary ↓
Porsche filed this with NHTSA as a service bulletin dated Sep 5, 2025, about the visibility/wiper. It names 36 model years (2016–2026). 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 communicationInstructions on advanced technical information for the Convertible Top Rear Window Frame on the 718 and 911.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| No. 1702.1 | Service bulletin | Sep 5, 2025 | 11022825 | PDF, 123 KB |
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.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
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Model years it names
Source: as the manufacturer filed themAlso filed against model years this site has no page for: 2017 Porsche 718; 2017 Porsche 718 Boxster S; 2018 Porsche 718 Boxster S; 2019 Porsche 718 Boxster S; 2026 Porsche 718 Cayman; 2017 Porsche 718 Cayman S; 2018 Porsche 718 Cayman S; 2019 Porsche 718 Cayman S; 2018 Porsche 718 Spyder; 2019 Porsche 718 Spyder; 2021 Porsche Cayman GT4; 2021 Porsche Cayman GTS; 2017 Porsche Redundant Boxster; 2020 Porsche Redundant Boxster; 2021 Porsche Redundant Boxster; 2022 Porsche Redundant Boxster; 2021 Porsche Redundant Cayman; 2022 Porsche Redundant Cayman; 2023 Porsche Redundant Cayman GT4; 2022 Porsche Redundant Cayman GTS.
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 16 model years this bulletin names have filed 26 complaints with NHTSA since 2015. 3 of them name Visibility/Wiper — 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.
While driving with my wife at approximately 20 MPH after making a right turn in the lane closet to the curb at night we heard a very loud bang that sounded like a gunshot. I pulled over about two blocks away and noticed my passenger side mirror was destroyed and the cover was missing as well as the mirror.
2017 Porsche Boxster · Visibility/Wiper · filed with NHTSA May 21, 2019 · ODI 11209002
Windshield washer hose has snapped at the hood hinge which is preventing clearing of the windsheild of debris and obscuring forward visibility. This part was replaced by the dealer in 2016 during the first annual service for reasons unknown to me and has now failed
2016 Porsche Cayman · Visibility/Wiper · filed with NHTSA Jun 27, 2022 · ODI 11471245
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 visibility/wiper
Source: same model, same component group5 other manufacturer communications filed against these Porsche models under the same component group (visibility/wiper), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| No. D765 | Service bulletin | Feb 17, 2026 | Parts information for parts withdrawal involving the Window regulator motor. The part numbers affected are PAB959801 and PAB959802. The vehi… |
| No. D753 | Service bulletin | Jan 21, 2026 | Parts information for Parts Withdrawal - LED Headlight. Vehicles affected are cars that use the part numbers in the attached PDF. |
| No. 58-25 | Service bulletin | Sep 19, 2025 | Technical information for Washer Fluid Leaking at Front Left Cover Hinge/Hose for Front Windshield Washer System Leaking: Observe the Specif… |
| No. 2-22 | Service bulletin | Apr 21, 2025 | Installation and conversion instructions for the led tail light with light panel. ONLY approved for vehicles with virtual pedal (4E6) and/or… |
| No. D698 | Service bulletin | Sep 18, 2024 | Parts information for parts withdrawal involving the windscreen. The cars involved are cars that use the part numbers 992845011Q, 992845011A… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Porsche, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Porsche No. 1702.1 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 No. 1702.1 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 Porsche warranty extension on file lists the ones Porsche has filed.
Which vehicles does No. 1702.1 cover?
The manufacturer filed it against 36 model years: 2025 Porsche 718, 2024 Porsche 718, 2023 Porsche 718, 2022 Porsche 718, 2021 Porsche 718, 2020 Porsche 718 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.