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Service bulletin 25-NA-088

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 id11019751
Published by NHTSA2025-06-26
Manufacturer's number25-NA-088
Manufacturer's date2025-04-07
NHTSA componentENGINE

NHTSA's summary

This informational bulletin provides information to inform dealership personal that some customers may come in with a need for a new certified clean idle label.

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.

Components

Engine

Vehicles listed
CHEVROLET 6500HD2022 to 2023
CHEVROLET LOW CAB FORWARD 65002026
CHEVROLET LOW CAB FORWARD N SERIES2025

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