WenmarOpen by Wenmar Pro

Service bulletin CSB-12-J-001

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 id10045719
Published by NHTSA2012-09-17
Manufacturer's numberCSB-12-J-001
Manufacturer's date2012-10-01
ReplacesCSB-12-J-001-B
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

ISUZU/GMC/CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DURING THE PROCESS ASSEMBLY OF TURBOCHARGER ENGINE, THE HOUSING BECAME LOOSE CAUSING MALFUNCTION INDICATOR LAMP TO ILLUMINATE AND OPERATION OF VEHICLE REVERT TO LIMP HOME MODE. MODELS 2007-2010 ISUZU N SERIES AND GMC/CHEVROLET W SERIES. *PE UPDATED 12/10/12. *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

Engine, Turbocharger or supercharger

Vehicles listed
CHEVROLET W-SERIES2007 to 2010
GMC W-SERIES2007 to 2010
ISUZU N-SERIES2007 to 2010

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