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Service bulletin 23-NA-033

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 id10245410
Published by NHTSA2023-11-22
Manufacturer's number23-NA-033
Manufacturer's date2023-11-07
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides a procedure to replace the ECM to correct customer concerns of a rattle noise during cold start, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2261 Set.

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

Electrical system, Engine

Trouble codes named

P2261

Vehicles listed
CHEVROLET EQUINOX2023, 2024
GMC TERRAIN2023, 2024

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

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