Porsche service campaign WRM9
What it saysTechnical information on WRM9 – Checking Brake Lines and Replacing if necessary NHTSA’s full summary ↓
Porsche filed this with NHTSA as a service campaign dated Dec 11, 2024, received Jan 8, 2025, about the service brakes — 1 document under this number: No. 133-24. It names 2 model years (2024–2025). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationTechnical information on WRM9 – Checking Brake Lines and Replacing if necessary
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| No. 133-24 | Service campaign | Dec 11, 2024 | 11012638 | PDF, 2,742 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.
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 2 model years this bulletin names have filed 4 complaints with NHTSA since 2015.
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 service brakes
Source: same model, same component group8 other manufacturer communications filed against the Porsche Panamera under the same component group (service brakes), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| No. D752 | Service bulletin | Jan 5, 2026 | Parts information for parts withdrawal involving the caliper without brake pads. The part numbers affected are in the attached PDF. The vehi… |
| No. 2530 | Service bulletin | Dec 5, 2025 | Instructions on advanced technical information for Y1A, 971, 9YB, 9YA – Brake Noise & Long Brake Pedal |
| No. D749 | Service bulletin | Nov 18, 2025 | Parts information for parts withdrawal involving the brake disc 9Y0615301AJ |
| D719 | Service bulletin | May 5, 2025 | Parts information for Parts Withdrawal - 1 Set of Brake Pads for Disk Brake. Vehicles included are all cars that use part number 992698451R |
| No. D689 | Service bulletin | Jul 25, 2024 | Parts information for parts withdrawal involving the brake hose 9J1611707F and 9J1611708F |
| No. D684 | Service bulletin | Jun 17, 2024 | Parts information for parts withdrawal involving the retainer for brake hose/brake line |
| No. D681 | Service bulletin | May 28, 2024 | Parts information for parts withdrawal involving the retainer for brake hose/pressure difference sender.… |
| No. D677 | Service bulletin | Apr 14, 2024 | Parts information for parts withdrawal involving the brake pads - 992698151F |
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 WRM9 a recall?
No. A service campaign 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 WRM9 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does WRM9 cover?
The manufacturer filed it against 2 model years: 2025 Porsche Panamera, 2024 Porsche Panamera. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.