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Service bulletin 11273B

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 id10245820
Published by NHTSA2023-12-04
Manufacturer's number11273B
Manufacturer's date2013-12-01
NHTSA componentBACK OVER PREVENTION

NHTSA's summary

Special Coverage Adjustment ? Throttle Position Sensor Replacement

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

Driver assistance, Backup camera

Vehicles listed
CADILLAC ESCALADE2008, 2009, 2010, 2011
CADILLAC ESCALADE ESV2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2008, 2009, 2010, 2011
CHEVROLET COLORADO2009, 2010, 2011
CHEVROLET TRAILBLAZER2008, 2009
GMC ENVOY2008, 2009
GMC SAVANA2008, 2009, 2010, 2011
GMC SIERRA 15002008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002011 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22008, 2009
HUMMER H32008, 2009, 2010
SAAB 9-7X2008, 2009

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
15NA082B2024-02-12. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
15NA0822024-02-12. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps
PIT5039C2023-12-26. Service bulletin. Removing / Disabling Rear Park Assist RPO UD7.
PIT4684A2023-12-26. Service bulletin. Rear Camera Display Blank.
PIT4551F2023-12-26. Service bulletin. Back Up Alarm Inoperative And Needs To Be Connected During PDI.
PIT4551E2023-12-26. Service bulletin. Back Up Alarm Inoperative And Needs To Be Connected During PDI.
14096A2023-12-18. Service bulletin. Oxygen Sensor Fracture
140962023-12-18. Service bulletin. Oxygen Sensor Fracture
PIC5428F2023-12-11. Service bulletin. EBCM Wheel Speed Sensor Diagnostic Aid for ABS Message
PIC5428E2023-12-11. Service bulletin. EBCM Wheel Speed Sensor Diagnostic Aid for ABS Message