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Federal filingsHome›Bulletins›Cadillac› PIT6171
Manufacturer communication · Service bulletin

Cadillac bulletin PIT6171

What it saysThis Preliminary information communicates a diagnostic tip for a wheel/tire vibration caused by the brake rotors being out of balance. NHTSA’s full summary ↓

Cadillac filed this with NHTSA as a service bulletin dated Aug 13, 2024, about the wheels. It names 1 model year (2024). 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

This Preliminary information communicates a diagnostic tip for a wheel/tire vibration caused by the brake rotors being out of balance.

Kind Service bulletin Manufacturer date Aug 13, 2024 Received by NHTSA Aug 13, 2024 Components Wheels

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
PIT6171Service bulletinAug 13, 202411006292PDF, 70 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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A weekly email, sent only in a week when Cadillac files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

What owners reported

Source: NHTSA complaint database

Owners of the 1 model year this bulletin names have filed 74 complaints with NHTSA since 2015.

There was a vibration in the rear then the wheel flew across the 4 lane hwy. Wheel completely detached from the SUV

2024 Cadillac Escalade · Wheels · filed with NHTSA Feb 2, 2026 · ODI 11715124

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 wheels

Source: same model, same component group

16 other manufacturer communications filed against the Cadillac Escalade under the same component group (wheels), newest first. The eight newest are listed; the rest are on the Cadillac list.

NumberKindDatedNHTSA’s summary
N252536751-01Warranty extensionApr 20, 2026Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual…
N252536751Warranty extensionApr 17, 2026Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual…
N252494250Service campaignAug 26, 2025Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’…
25-NA-156Service bulletinJun 7, 2025This service bulletin provides information on Tire Sidewall Irregularities.
08-03-10-006IService bulletinMar 14, 2025This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of T…
21-NA-043Service bulletinJan 31, 2025This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before bein…
17-NA-271Service bulletinNov 26, 2024Clicking Noise from Front Wheels While Turning at Slow Speeds Condition Some customers may comment on a clicking noise emanating from th…
24-NA-187Service bulletinSep 12, 2024This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels Appearance and Care.

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 PIT6171 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 PIT6171 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 GM warranty extension on file lists the ones GM has filed.

Which vehicles does PIT6171 cover?

The manufacturer filed it against 1 model year: 2024 Cadillac Escalade. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.