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Federal filingsHome›Bulletins›Cadillac› N252500160-01
Manufacturer communication · Service campaign

Cadillac service campaign N252500160-01

What it saysIf the driver receives a “Driver Assist Unavailable” message, and SuperCruise is non-functional, all future OTA updates may fail. NHTSA’s full summary ↓

Cadillac filed this with NHTSA as a service campaign dated Jul 23, 2025, about the forward collision avoidance. It names 1 model year (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 communication
What the dealer does Dealers will perform a Serial Data Authentication Configuration to restore SuperCruise functionality and enable future OTA updates.

Picked out of NHTSA’s summary below, word for word. The document itself is the record, and the dealer checks the VIN.

If the driver receives a “Driver Assist Unavailable” message, and SuperCruise is non-functional, all future OTA updates may fail. Dealers will perform a Serial Data Authentication Configuration to restore SuperCruise functionality and enable future OTA updates.

Manufacturer campaign id N252500160-01 Kind Service campaign Manufacturer date Jul 23, 2025 Received by NHTSA Jul 23, 2025 Components Forward Collision Avoidance

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
N252500160-01Service campaignJul 23, 202511020868PDF, 288 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 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 1 model year this bulletin names have filed 13 complaints with NHTSA since 2015. 4 of them name Forward Collision Avoidance — 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.

Operating the vehicle as instructed and used the Super Cruise feature (GM's hands-free cruise control driving assist) as it should be, by paying complete attention while not having to keep my hands on the steering wheel.

2025 Cadillac Optiq · Forward Collision Avoidance · filed with NHTSA Oct 23, 2026 · ODI 11773254

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

2 other manufacturer communications filed against the Cadillac Optiq under the same component group (forward collision avoidance), newest first.

NumberKindDatedNHTSA’s summary
25-NA-118Service bulletinMay 8, 2025This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions need…
25-NA-060Service bulletinMar 11, 2025This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for Cadillac, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Cadillac N252500160-01 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 N252500160-01 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 N252500160-01 cover?

The manufacturer filed it against 1 model year: 2025 Cadillac Optiq. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.