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Service bulletin PIT6234A

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 id11024700
Published by NHTSA2025-11-02
Manufacturer's numberPIT6234A
Manufacturer's date2025-10-22
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a diagnostic tip to inform dealership to inspect for this aftermarket device.

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 ESCALADE2021, 2022, 2023, 2024, 2025, 2026
CADILLAC ESCALADE ESV2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET SILVERADO 25002022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022, 2023, 2024, 2025, 2026
GMC SIERRA 15002022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2021, 2022, 2023, 2024, 2025, 2026
GMC YUKON XL2021, 2022, 2023, 2024, 2025, 2026

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