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Service bulletin PIT6493B

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 bulletin
NHTSA id11031893
Published by NHTSA2026-05-01
Manufacturer's numberPIT6493B
Manufacturer's date2026-04-23
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This PI communicates information on isolating a wind noise from the driver front door.

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.

Vehicles listed
CADILLAC ESCALADE2026
CADILLAC ESCALADE ESV2026
CHEVROLET SUBURBAN 15002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2026
GMC YUKON2026
GMC YUKON XL2026

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