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Manufacturer communication · Service bulletin

Porsche bulletin No. 75-25-2

What it saysTechnical information for Various White Messages Regarding Driver Assistance Systems In the Instrument Cluster/Fault Memory Entry "C12D5FA" In the Control Unit for Driver Assistance Systems NHTSA’s full summary ↓

Porsche filed this with NHTSA as a service bulletin dated Nov 26, 2025, received Dec 5, 2025, about the forward collision avoidance. It names 3 model years (2024–2026). 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 communication

Technical information for Various White Messages Regarding Driver Assistance Systems In the Instrument Cluster/Fault Memory Entry "C12D5FA" In the Control Unit for Driver Assistance Systems

Kind Service bulletin Manufacturer date Nov 26, 2025 Received by NHTSA Dec 5, 2025 Components Forward Collision Avoidance, Lane Departure

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
No. 75-25-2Service bulletinNov 26, 202511026411PDF, 1,406 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.

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Model years it names

Source: as the manufacturer filed them

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 database

Owners of the 3 model years this bulletin names have filed 5 complaints with NHTSA since 2015. 4 of them name Forward Collision Avoidance, Lane Departure — 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 purchased this vehicle in July 2025 from Porsche Delaware. The car had 7000 miles on it certified preowned after owning it for one week I started having yellow lights come on for parking lien changer detections driving assistance brought it into Porsche in Clifton Park New York, they recorded the car got the car back.

2024 Porsche Panamera · Lane Departure · filed with NHTSA Jan 13, 2026 · ODI 11710749

The contact owns a 2025 Porsche Panamera. The contact stated that on several occasions, the Forward Collision Avoidance system activated without an object or vehicle nearby. The vehicle abruptly shut off, and the Forward Collision Avoidance message was displayed on the instrument panel.

2025 Porsche Panamera · Forward Collision Avoidance · filed with NHTSA Mar 2, 2026 · ODI 11721419

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 forward collision avoidance

Source: same model, same component group

3 other manufacturer communications filed against the Porsche Panamera under the same component group (forward collision avoidance), newest first.

NumberKindDatedNHTSA’s summary
No. 11-25-4Service bulletinAug 25, 2026Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Co…
No. 2503.3Service bulletinNov 21, 2025Instructions on advanced technical information for Troubleshooting Advanced Driver Assistance Systems (ADAS)
No. 2503.2Service bulletinJul 22, 2025Instructions on advanced technical information for troubleshooting ADAs systems

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.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Porsche No. 75-25-2 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. 75-25-2 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. 75-25-2 cover?

The manufacturer filed it against 3 model years: 2026 Porsche Panamera, 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.