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Service campaign N262560680

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11033783
Published by NHTSA2026-06-10
Manufacturer's numberN262560680
Manufacturer's date2026-06-10
Campaign id or software versionN262560680
NHTSA componentPOWER TRAIN

NHTSA's summary

Certain vehicles may have a condition in which the bolts for the transmission control valve body may be loose or missing. Dealers will retorque or replace the suspect valve body bolts.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
CHEVROLET SILVERADO 25002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002026 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20262262026-05-07. Powertrain
26V2890002026-05-07. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N2625677202026-09-17. Service campaign. Certain vehicles may have received transmission mounting bolts that do not meet expected hardness specifications. Loose or failed bolts may result in hard shifting from the transmission and/or noise. Dealers will replace both transmission mounting bolts.