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Service bulletin 09-06-04-026G

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 id10134662
Published by NHTSA2018-04-23
Manufacturer's number09-06-04-026G
Manufacturer's date2013-03-19
NHTSA componentENGINE; POWER TRAIN

NHTSA's summary

This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS 2)

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, Transmission and driveline

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011, 2012, 2013, 2014
BUICK ENCORE2013, 2014
BUICK LACROSSE2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
BUICK LESABRE2006
BUICK LUCERNE2006, 2007, 2008, 2009, 2010, 2011
BUICK LUCERNE2012
BUICK RAINIER2006, 2007
BUICK REGAL2011, 2012, 2013, 2014
BUICK RENDEZVOUS2006, 2007
BUICK TERRAZA2006, 2007
BUICK TERRAZA2008
BUICK VERANO2012, 2013
CADILLAC ATS2013, 2014
CADILLAC CTS2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC DTS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC ESCALADE ESV2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002006 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC STS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC STS2012
CADILLAC XLR2006, 2007, 2008, 2009
CADILLAC XTS2013, 2014
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 15002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVEO2010
CHEVROLET C SERIES2006 to 2009
CHEVROLET CAMARO2010, 2011, 2012, 2013, 2014
CHEVROLET CAPRICE2011 to 2014
CHEVROLET CAPTIVA2012
CHEVROLET CHEVEROLET SS2014
CHEVROLET COLORADO2006, 2007, 2008, 2009, 2010, 2011, 2012
CHEVROLET CORVETTE2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET CRUZE2012
CHEVROLET EQUINOX2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET EXPRESS2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET MALIBU2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET MONTE CARLO2006, 2007
CHEVROLET SILVERADO 15002006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012
CHEVROLET SSR2006
CHEVROLET SUBURBAN2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET T SERIES2010
CHEVROLET TAHOE2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET TRAILBLAZER2006, 2007, 2008, 2009
CHEVROLET TRAVERSE2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET UPLANDER2006, 2007, 2008, 2009
GMC ACADIA2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC C SERIES2006
GMC CANYON2006, 2007, 2008, 2009, 2010, 2011, 2012
GMC ENVOY2006, 2007, 2008, 2009
GMC ENVOY XL2006 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2010, 2011, 2012, 2013, 2014
GMC TOPKICK2006 to 2010
GMC YUKON2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC YUKON DENALI2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2006, 2007, 2008, 2009, 2010, 2011
GMC YUKON XL2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22006, 2007, 2008, 2009
HUMMER H32006, 2007, 2008, 2009, 2010
PONTIAC G82008, 2009, 2010
PONTIAC GRAND PRIX2006, 2007, 2008
PONTIAC GTO2006
PONTIAC GTO2007
PONTIAC MONTANA2006 to 2009
PONTIAC TORRENT2006, 2007
PONTIAC TORRENT2009
SAAB 9-7X2009
SATURN OUTLOOK2007, 2008, 2009, 2010
SATURN RELAY2006, 2007
SATURN RELAY2008
SATURN VUE2006, 2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
20200202020-01-23. Powertrain
20V0380002020-01-23. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
16V8680002016-12-02. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
15V2450002015-04-24. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
20142542014-06-27. Powertrain
14V3740002014-06-27. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
20142392014-06-19. Powertrain
14V3410002014-06-19. AIR BAGS; POWER TRAIN:DRIVELINE:DRIVESHAFT
14V3380002014-06-19. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
00-06-01-026R2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
23-NA-1532025-10-25. Service bulletin. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
22-NA-0802025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
25-NA-0522025-04-28. Service bulletin. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
25-NA-0522025-04-10. Service bulletin. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
16-NA-0032025-02-28. Service bulletin. This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
22-NA-0742025-02-12. Service bulletin. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIP5175F2025-02-10. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.