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Service bulletin PIT6147A

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 id11009117
Published by NHTSA2024-10-25
Manufacturer's numberPIT6147A
Manufacturer's date2024-10-25
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates information on how to select bootloader part number if there are issues SPS programming the IPC.

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 SILVERADO 15002022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022, 2023, 2024
GMC SIERRA 15002022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002024 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2021, 2022, 2023, 2024

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