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Service bulletin SB-12-K-002

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 id10050139
Published by NHTSA2013-01-24
Manufacturer's numberSB-12-K-002
Manufacturer's date2012-12-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT

NHTSA's summary

ISUZU: DUE TO INSECT NESTING AND/OR DEBRIS LEFT BY FLOODING, FLUID IS LEAKING AT TOP OF AUTOMATIC TRANSMISSION DIPSTICK TUBE, AND A NEW BREATHER HOSE VENT WAS DESIGNED TO REDUCE THIS CONDITION. MODELS 2007-2012 N SERIES, 2007-2010 W SERIES. *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

Equipment and accessories, Transmission and driveline, Automatic transmission

Vehicles listed
CHEVROLET W-SERIES2007 to 2010
CHEVROLET W35002007 to 2010
CHEVROLET W45002007 to 2010
CHEVROLET W55002007 to 2010
GMC W-SERIES2007 to 2010
GMC W35002007 to 2010
GMC W45002007 to 2010
GMC W55002007 to 2010
GMC W5500HD2007
ISUZU N-SERIES2007 to 2012
ISUZU NPR2007, 2008, 2009, 2010
ISUZU NPR2012
ISUZU NPR HD2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
ISUZU NQR2007 to 2010
ISUZU NQR2012
ISUZU NRR2007 to 2010

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

Other bulletins for the same vehicles and component
IB10-J-005A2011-05-18. Service bulletin. IZUZU: PROCEDURE TO PROPERLY SET UP IDLE SHUT DOWN. *RM
SB-09-K-0012010-04-05. Service bulletin. ISUZU (CHEVROLET/GMC): THE TRANSMISSION SLIPS, WILL NOT SHIFT, OR MAY OVERHEAT. TECHNICIANS MAY FIND DTCS P0894 OR P0218 STORED EITHER CURRENT OR IN HISTORY. THESE CONDITIONS MAY BE CAUSED BY FRICTION MATERIAL DEBONDING FROM THE TORQUE CONVERTER CLUTCH. HARSH OR DELAYED SHIFTS, NO DRIVE, NO REVERSE, SLIPS AND THE SES/MIL MAY BE ILLUMINATED. *PE UPDATED 9/15/10. *PE
0307300352003-12-04. Service bulletin. REPLACEMENT OF OUTPUT FLANGE NUT WHEN SERVICING TRANSMISSION. ALSO INCLUDES 2004 MODELS. *TT