{"nhtsa_id":10112452,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2012-10-05","document_id":"PIT4508C","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Technician should follow published Service Information diagnostics first. Technician should check the \"Master Cylinder Pressure\" sensor parameter listed in the Trailer Brake Control Module data list. If it is displaying pressure with no brake pedal input, suspect a concern with the Master Cylinder Pressure Sensor, wiring/terminals, or Electronic Brake Control Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112452-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112452-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112452","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B3894"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_chevrolet_avalanche","2008_chevrolet_avalanche","2009_chevrolet_avalanche","2010_chevrolet_avalanche","2011_chevrolet_avalanche","2012_chevrolet_avalanche","2013_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_chevrolet_suburban","2008_chevrolet_suburban","2009_chevrolet_suburban","2010_chevrolet_suburban","2011_chevrolet_suburban","2012_chevrolet_suburban","2013_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_chevrolet_tahoe","2008_chevrolet_tahoe","2009_chevrolet_tahoe","2010_chevrolet_tahoe","2011_chevrolet_tahoe","2012_chevrolet_tahoe","2013_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2007,"year_to":2013,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2007,"year_to":2013,"match":"exact","vehicle_ids":["2007_gmc_yukon","2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2007,"year_to":2013,"match":"base","vehicle_ids":["2007_gmc_yukon","2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2007,"year_to":2013,"match":"base","vehicle_ids":["2007_gmc_yukon","2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2007,"year_to":2011,"match":"exact","vehicle_ids":["2007_gmc_yukon-xl","2008_gmc_yukon-xl","2009_gmc_yukon-xl","2010_gmc_yukon-xl","2011_gmc_yukon-xl"]},{"make":"GMC","model":"YUKON XL","year_from":2012,"year_to":2013,"match":"base","vehicle_ids":["2012_gmc_yukon","2013_gmc_yukon"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}