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Service bulletin 11-06-04-007C

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 id10138192
Published by NHTSA2018-05-21
Manufacturer's number11-06-04-007C
Manufacturer's date2012-11-08
NHTSA componentEQUIPMENT; ENGINE; ELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 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, Equipment and accessories, Transmission and driveline

Trouble codes named

P2135

Vehicles listed
CADILLAC ESCALADE2005, 2006
CADILLAC ESCALADE2008, 2009
CADILLAC ESCALADE2011, 2012
CADILLAC ESCALADE ESV2005 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2007
CHEVROLET AVALANCHE2009, 2010, 2011, 2012
CHEVROLET AVALANCHE 15002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET COLORADO2005, 2006
CHEVROLET COLORADO2008, 2009, 2010
CHEVROLET EXPRESS2005, 2006, 2007, 2008, 2009
CHEVROLET EXPRESS2012
CHEVROLET SILVERADO 15002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002013 (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 SUBURBAN2005, 2006, 2007, 2008
CHEVROLET SUBURBAN2010
CHEVROLET SUBURBAN2013
CHEVROLET T SERIES2010
CHEVROLET TAHOE2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET TRAILBLAZER2013
GMC CANYON2005, 2006, 2007, 2008
GMC CANYON2010
GMC CANYON2012
GMC ENVOY2005
GMC ENVOY2008, 2009
GMC ENVOY2011
GMC SAVANA2008, 2009, 2010, 2011, 2012, 2013
GMC SIERRA 15002006 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002008 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2005, 2006, 2007, 2008
GMC YUKON2013
GMC YUKON DENALI2005 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2005 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2005
GMC YUKON XL2009
GMC YUKON XL2011
GMC YUKON XL2012 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22005
HUMMER H22010
HUMMER H32006

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

Recalls for the same vehicles and component
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20182122018-04-27. Accessories
18V2670002018-04-26. EQUIPMENT
16V8680002016-12-02. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
20165972016-11-29. Electrical
13V5440002015-10-30. EQUIPMENT:OTHER:LABELS
20150022014-12-30. Electrical
14V8270002014-12-30. ELECTRICAL SYSTEM:IGNITION
14V7060002014-11-05. EQUIPMENT ADAPTIVE/MOBILITY

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

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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.
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