GMC service campaign N252521591
GMC filed this with NHTSA as a service campaign dated Apr 10, 2026, received Nov 19, 2025, about the unknown or other — 2 documents under this number. It names 1 model year (2026). 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.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis message is to inform dealers that Service Update bulletin N252521591, is being temporarily suspended for the models above equipped with RPO UKL or UK0. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause.
Documents filed under this number
| Document | Kind | Dated | NHTSA id |
|---|---|---|---|
| N252521591 | Service bulletin | Apr 10, 2026 | 11031258 |
| N252521591 | Service campaign | Nov 19, 2025 | 11025647 |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5; the full text comes from the manufacturer or a dealer. 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. Quote it 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.
Common questions
Source: NHTSA, 49 CFR 579.5Is GMC N252521591 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 N252521591 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 N252521591 cover?
The manufacturer filed it against 1 model year: 2026 GMC Yukon. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.