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Service bulletin PIP5975B

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 id11024755
Published by NHTSA2025-11-03
Manufacturer's numberPIP5975B
Manufacturer's date2025-10-27
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This PI advises to get a session log for transmissions with broken chains

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 ENCORE GX2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET EQUINOX2025, 2026
CHEVROLET MALIBU2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET TRAILBLAZER2021, 2022, 2023, 2024, 2025, 2026
GMC TERRAIN2025, 2026

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