{"nhtsa_id":10095613,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-03-17","date":"2016-02-01","document_id":"PIP4873A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS FOR DIAGNOSING AND REPAIRING VEHICLES WITH DIAGNOSTIC TROUBLE CODE P0C2B WITH OR WITHOUT P2797. TECHNICIAN SHOULD NOT REPLACE THE AUXILIARY TRANSMISSION FLUID PUMP. TECHNICIAN WILL FOLLOW PUBLISHED DIAGNOSIS INSPECT THE WIRING BETWEEN THE HPCM AND THE AUXILIARY TRANSMISSION FLUID PUMP CONTROL MODULE. IF THE WIRING TESTS OK WITH NO TERMINAL TENSION RELATED CONCERNS AT EITHER END OF THE CIRCUITS SUSPECT A POSSIBLE AUXILIARY TRANSMISSION FLUID PUMP CONTROL MODULE RELATED CONCERN.","document":null,"url":"https://open.wenmarpro.com/bulletins/10095613","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":["P0C2B","P2797"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2009,"year_to":2013,"match":"exact","vehicle_ids":["2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade","2012_cadillac_escalade","2013_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade","2012_cadillac_escalade","2013_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE EXT","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade","2012_cadillac_escalade","2013_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2008,"year_to":2013,"match":"exact","vehicle_ids":["2008_chevrolet_tahoe","2009_chevrolet_tahoe","2010_chevrolet_tahoe","2011_chevrolet_tahoe","2012_chevrolet_tahoe","2013_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2008,"year_to":2013,"match":"exact","vehicle_ids":["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":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2009,"year_to":2013,"match":"base","vehicle_ids":["2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["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":[]}