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Service bulletin PIT6436A

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 id11027685
Published by NHTSA2026-01-19
Manufacturer's numberPIT6436A
Manufacturer's date2026-01-12
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary Information is to inform dealer technicians to not replace anything at this time in regards to this concern. The vehicle is still safe to drive with no other issues.

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 BLAZER EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET COLORADO2024, 2025, 2026
CHEVROLET EQUINOX EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC CANYON2024, 2025, 2026
GMC SIERRA EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

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