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Service bulletin PIT6279B

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 id11011337
Published by NHTSA2024-12-04
Manufacturer's numberPIT6279B
Manufacturer's date2024-11-21
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.

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 ENVISION2021, 2022, 2023
CADILLAC CT42020, 2021, 2022, 2023, 2024
CADILLAC CT52020, 2021, 2022, 2023, 2024
CADILLAC ESCALADE2021, 2022, 2023
CADILLAC ESCALADE ESV2021, 2022, 2023
CHEVROLET CORVETTE2021, 2022, 2023, 2024
CHEVROLET SILVERADO 15002022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022, 2023
GMC SIERRA 15002022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2021, 2022, 2023
GMC YUKON XL2021, 2022, 2023

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