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Service bulletin SB-10126

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 id10033527
Published by NHTSA2010-08-20
Manufacturer's numberSB-10126
Manufacturer's date2010-06-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM

NHTSA's summary

GMC CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-CHECK ENGINE LIGHT ILLUMINATED DUE TO KNOCK SENSOR. VEHICLES EQUIPPED WITH 8.1L GAS ENGINE MAY NOTICE THE ILLUMINATION OF THE CHECK ENGINE SOON LIGHT AND SLOWER ACCELERATION. MAYBE DUE TO KNOCK SENSOR THAT IS NOT OPERATING AS DESIGNED. CSC LETTER WAS RECEIVED. MODELS TOPKICK AND KODIAK. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Engine

Vehicles listed
CHEVROLET KODIAK2008 to 2009
GMC TOPKICK2008 to 2009

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