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Service bulletin PIP6116A

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 id11036214
Published by NHTSA2026-08-17
Manufacturer's numberPIP6116A
Manufacturer's date2026-08-11
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This document assists GM Dealer technician's with diagnosing turbocharger concerns to ensure turbocharger replacement is necessary. The turbocharger part number will be placed on order restriction and the technician will have to contact GM Technical Assistance to verify the turbocharge is at fault and needed. GM Technical Assistance will verify the turbocharger is needed and then order it for the dealer.

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 GX2024, 2025, 2026
BUICK ENVISTA2024, 2025, 2026
CHEVROLET TRAILBLAZER2024, 2025, 2026
CHEVROLET TRAX2024, 2025, 2026

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