Porsche bulletin No. 198-23-1
What it saysTechnical Information for Cracking on Roof Module: Procedure for Damage Documentation NHTSA’s full summary ↓
Porsche filed this with NHTSA as a service bulletin dated Sep 23, 2026, received Oct 2, 2026, about the visibility/wiper. It names 7 model years (2020–2026). 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 communicationTechnical Information for Cracking on Roof Module: Procedure for Damage Documentation
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| No. 198-23-1 | Service bulletin | Sep 23, 2026 | 11037840 | PDF, 277 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 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 7 model years this bulletin names have filed 279 complaints with NHTSA since 2015. 7 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.
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 group15 other manufacturer communications filed against the Porsche Taycan under the same component group (visibility/wiper), newest first. The eight newest are listed; the rest are on the Porsche list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 43-26 | Warranty extension | Sep 1, 2026 | Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues |
| No. 67-26 | Service bulletin | Aug 10, 2026 | Technical Information for Glass Roof: Observe Special Procedure for Removal and Installation, as well as Replacement Requirements |
| No. 58-26 | Service bulletin | Aug 3, 2026 | Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System |
| No. 03-26-3 | Service bulletin | May 20, 2026 | Technical information for a Complaint Regarding the Camera View (Real Top View) in the PCM Central Display |
| 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. 116-25 | Service bulletin | Feb 2, 2026 | Symptom based workshop manual for the Front Door Window Opens Unintentionally/Reverses from Fully Open Position on the Taycan |
| 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. 2531 | Service bulletin | Nov 21, 2025 | Instructions on advanced technical information for the Surround View Static Calibration – Explanation of Debug Screen |
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. 198-23-1 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. 198-23-1 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. 198-23-1 cover?
The manufacturer filed it against 7 model years: 2026 Porsche Taycan, 2025 Porsche Taycan, 2024 Porsche Taycan, 2023 Porsche Taycan, 2022 Porsche Taycan, 2021 Porsche Taycan and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.