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Service bulletin PIT6118A

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 id11006422
Published by NHTSA2024-08-15
Manufacturer's numberPIT6118A
Manufacturer's date2024-08-15
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates a software anomaly that will cause a Forward Collision Unavailable message and a possible orange telltale on the DIC and to update vehicle software to resolve the concern.

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
CHEVROLET CORVETTE2024
CHEVROLET SILVERADO 15002022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2022, 2023, 2024
GMC HUMMER EV PICKUP2022, 2023, 2024
GMC SIERRA 15002022 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2022, 2023, 2024

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