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Service bulletin PIT6509

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 id11031892
Published by NHTSA2026-05-01
Manufacturer's numberPIT6509
Manufacturer's date2026-04-23
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This preliminary information is to communicate to technicians and customer that engineering is aware of this concern and once the software is released for service, this PI will turn into a bulletin for the repair. At this time, not to replace any parts.

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
BUICK ENCLAVE2025
CHEVROLET TRAVERSE2024, 2025
GMC ACADIA2024, 2025

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